You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2,5-dimethyl-3-[(E)-[[4-(2-methyl-5-phenylpyrrol-1-yl)benzoyl]hydrazinylidene]methyl]pyrrol-1-yl]benzoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C32H28N4O3
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