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 5-(1H-benzimidazol-2-ylmethylsulfanyl)-3-benzyl-6-phenyl-2-sulfanylidene-[1,3]thiazolo[4,5-d]pyrimidin-7-one .
user
C26H19N5OS3
assistant