You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-amino-5-[[1-[[1-[[1-carboxy-2-(1H-indol-3-yl)ethyl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-5-oxopentanoic acid into molecular formula.
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C31H35N7O7
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