You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-tert-butyl-2-[(3R,5R,7R)-3-(N-carbamoyl-3-methylanilino)-5-(2-methylphenyl)-2-oxo-7-phenylazepan-1-yl]acetamide into molecular formula.
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C33H40N4O3
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