You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-acetyl-N-[[5-(4-bromophenyl)furan-2-yl]methyl]-N-methyl-1H-pyrrole-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H17BrN2O3
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