You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (7-ethyl-2-oxochromen-4-yl)methyl (E)-3-(1-cyclopropyl-2,5-dimethylpyrrol-3-yl)prop-2-enoate into molecular formula.
user
C24H25NO4
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