You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(NZ)-N-[6-(cyclopropylmethoxy)-4'-methoxyspiro[3H-indene-2,1'-cyclohexane]-1-ylidene]-2-methylpropane-2-sulfinamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H33NO3S
assistant