You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[3-amino-1-oxo-1-(4-pyrazolidin-4-ylanilino)propan-2-yl]phenyl] 2,4-dimethylbenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
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C27H30N4O3
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