You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name methanol;2-[(Z)-2-methoxy-2-(4-methylphenyl)ethenyl]-3-prop-2-ynyl-1,3-benzothiazol-3-ium;2-[2-(4-methylphenyl)ethynyl]-3-prop-2-ynyl-1,3-benzothiazol-3-ium ?
user
C60H54N3O3S3+3
assistant