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)-5-amino-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]-5-oxopentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-5-oxopentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-5-oxopentanoic acid into molecular formula.
user
C42H53N9O13
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