You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-cyclopropyl-6-methylimidazo[4,5-b]pyridine;2,6-dimethyl-1,3-benzothiazole;2,5-dimethyl-1,3-benzoxazole;3,6-dimethylimidazo[4,5-b]pyridine;1,5-dimethylpyrrolo[2,3-b]pyridine;3,6-dimethyl-7H-pyrrolo[3,4-b]pyridin-5-one;3-fluoro-5-methylpyridine;5-hydroxy-4,7-dimethylchromen-2-one;2-(methoxymethoxymethyl)-5-methylpyrimidine;3-methoxy-5-methylpyridine;6-methyl-1,3-benzothiazole;7-methyl-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine;6-methyl-2,3-dihydroisoindol-1-one;3-methyl-7,8-dihydro-6H-1,6-naphthyridin-5-one;3-methyl-6,7-dihydropyrrolo[3,4-b]pyridin-5-one;7-methyl-2,3-dihydro-1H-pyrrolo[2,1-b]quinazolin-9-one;6-methylfuro[3,2-b]pyridine;3-methyl-1,5-naphthyridine;7-methyl-1-oxido-1,5-naphthyridin-1-ium;3-methylpyridine;5-methylpyridine-3-carbonitrile;1-(5-methylpyrimidin-2-yl)ethanol;2-(5-methylpyrimidin-2-yl)propan-2-ol;7-methylquinazoline;3,6,7-trimethyl-7H-pyrrolo[3,4-b]pyridin-5-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C221H235FN42O20S2
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