You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named tert-butyl N-[2-[[1-(4-ethylphenyl)-2-(4-methoxyanilino)-2-oxoethyl]-heptylamino]-2-oxoethyl]carbamate is given. What is its corresponding molecular formula?
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C31H45N3O5
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