You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methylamino]benzoyl]amino]-5-[[(2S)-1-[[(2R)-4-carboxy-1-[[(2S)-1-[[(2R)-4-carboxy-1-[[(2S)-1-[(1-carboxy-2-sulfanylethyl)amino]-1,5-dioxo-5-[[(2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl]amino]pentan-2-yl]amino]-1-oxobutan-2-yl]amino]-1,5-dioxo-5-[[(2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl]amino]pentan-2-yl]amino]-1-oxobutan-2-yl]amino]-1,5-dioxo-5-[[(2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl]amino]pentan-2-yl]amino]-5-oxopentanoic acid;2-(pyridin-2-yldisulfanyl)ethyl 2-[(2S)-1-[2-amino-4-[4-[[2-[[5-[2-[5-[[5-[5-(dimethylamino)pentanoyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylpyrrol-3-yl]acetyl]-1-methylpyrrol-3-yl]carbamoyl]-1-methylimidazol-4-yl]amino]-4-oxobutoxy]-5-methoxybenzoyl]-4-methylidenepyrrolidin-2-yl]-1,3-oxazolidine-3-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C123H169N29O45S3
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