You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please identify the SMILES representation of the molecule named 1-[1-methyl-5-(1-methylbenzimidazol-2-yl)pyrrol-3-yl]butan-1-one .
user
CCCC(=O)C1=CN(C)C(C2=NC3=CC=CC=C3N2C)=C1
assistant