You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-benzyl-3-(cyclohexa-1,5-dien-1-ylmethyl)-5,6-dihydroxy-4,7-bis(2-methylpropyl)-1,3-diazepan-2-one into molecular formula.
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C27H40N2O3
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