You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-2-[[(1S)-1-carboxy-4-[[(2S)-1-[2-[[2-[[(2S)-2-[[(2S)-2-[[3-carboxy-4-(3-hydroxy-6-oxo-8a,9-dihydroxanthen-9-yl)phenyl]carbamothioylamino]-3-phenylpropanoyl]amino]-3-phenylpropanoyl]amino]acetyl]amino]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-oxobutyl]carbamoylamino]pentanedioic acid into molecular formula.
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C63H65N9O17S
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