The TOC has nothing to do with subchannel data.
Strictly speaking, on an actual, physical disc, the TOC is specified in the subchannel data of the lead-in,
which is how a CD drive determines the contents of the disc. A CUE or CCD file encodes (the important parts of) this information in a form that's easier to work with.
But yes, looking at the specifications more closely, it seems that the lead-in data is omitted from even from the SUB file of a CCD disc image, and is encoded solely in the CCD instead. Sorry, the subchannel data is the part of the disc I know the least about because it's almost never relevant as far as hacking goes.
As for what you're trying to do specifically... Well, what you technically want is to convert a CCD file to a CUE. However, it's not that simple. Here is the data that Monster Rancher 2 specifically uses from the disc
-Total CD time (minutes, seconds)
-1st track seconds
-Last track seconds
The problem here is that the CUE format does not encode as much information as a CCD. Specifically, the length of the last track, as well as of the overall disc, are not included in the CUE. They are implicitly determined from the size of the accompanying BIN file. In other words, without a BIN file of the correct size, the resulting CUE is meaningless for the purpose of MR2's generator algorithm. For instance, this is what a converted CUE for "Birdie.txt" looks like:
FILE "Birdie.img" BINARY
TRACK 01 MODE2/2352
INDEX 01 00:00:00
All this tells you is that there's a single data track that continues until the end of the disc. Without a valid "Birdie.img" of the same size as the disc that produced the original image, this is meaningless for MR2's purposes.
It's perfectly possible in principle to create a conversion program that would generate a dummy BIN file that matches the size of the image specified in the CCD, allowing a CUE to work (probably, assuming the emulator handles everything correctly), but that's getting pretty specialized. Finding a way to use the existing CCD files would be a much better solution than jumping through a bunch of convoluted hoops with converters.
Or hell, you could just use cheats instead, because I'm assuming this game is popular enough that someone's come up with codes for it.