You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (3S)-N-[4-(4-tert-butylphenoxy)phenyl]-1-(4-methylphenyl)-5-oxopyrrolidine-3-carboxamide is given. What is its corresponding molecular formula?
user
C28H30N2O3
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