You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4-[1-[(5-cyano-1-ethylbenzimidazol-2-yl)methyl]imidazol-2-yl]-N-hydroxythiophen-2-amine oxide ?
user
C18H16N6O2S
assistant