You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[3-(1H-benzimidazol-2-ylsulfanylmethyl)-5-(3-methoxyphenyl)furan-2-yl]benzoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H20N2O4S
assistant