[mwt]

This code is jibberish to me, but it appears the target is just parsing how many atoms are in a molecule string of some representation. That's cool, but to do just about anything useful in chemistry we need the bond graph (and often more - bond orders stereochemistry, plus much more for biopolymers).

[the__alchemist]

That was my initial reaction too, but I suspect this is has utility in applications other than what you and I are looking for. From context, I gather this may be for thermodynamic arithmetic, or reaction product arithmetic.

[mwt]

I'd be really interested to know of anybody making money with those topics (and doesn't already have their own domain-specific practice for the problem)