You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 9H-fluoren-9-ylmethyl N-[(2S)-6-amino-1-[4-[2-(benzylamino)-2-oxoethyl]anilino]-1-oxohexan-2-yl]carbamate into molecular formula.
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C36H38N4O4
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