You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[2-(1-benzothiophen-5-yl)-1H-imidazol-5-yl]-3-(2-methoxyethyl)benzimidazole-5-carbonitrile .
user
C22H17N5OS
assistant