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 (E)-N-[3-[2-(ethylamino)-2-oxoethyl]phenyl]-N-[(4-methylphenyl)methyl]-3-phenylprop-2-enamide is given. What is its corresponding molecular formula?
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C27H28N2O2
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