You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-O-[2-[2-[2-[benzyl(2-hydroxyethyl)amino]-2-oxoethyl]pent-4-enoylamino]-1-phenylethyl] 4-O-tert-butyl 2-prop-2-enylbutanedioate is the IUPAC name of a molecule. Please give its molecular formula.
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C35H46N2O7
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