You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[(6-methoxy-1H-benzimidazol-2-yl)sulfinylmethyl]-2,2-dimethyl-4,7-dihydro-3H-pyrano[3,2-c]pyridine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H23N3O3S
assistant