Thanks. Yes, methane is simply C. Also, I found this: https://cactus.nci.nih.gov/chemical/structure https://cactus.nci.nih.gov/chemical/structure which can con

Thanks. Yes, methane is simply C. Also, I found this: https://cactus.nci.nih.gov/chemical/structure https://cactus.nci.nih.gov/chemical/structure which can convert a chemical name to SMILES notation. The Wikipedia entry for SMILES has lots of links to software utilities at the end of the article: https://en.wikipedia.org/wiki/Simplified_molecular-input_line-entry_system https://en.wikipedia.org/wiki/Simplified_molecular-input_lin...