You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-[[4-bromo-5-cyano-3-(2,3,4-trimethoxyphenyl)-1H-pyrrol-2-yl]methyl]-1H-imidazole-2-carboxamide using the IUPAC nomenclature.
user
C19H18BrN5O4
assistant