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,3R)-2-[[2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-methoxy-4-methylpentanoyl]amino]-3-phenylmethoxybutanoic acid into molecular formula.
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C33H38N2O7
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