You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-methoxy-4,5-dimethyl-N-[(2R)-2-(4-methylphenyl)-2-morpholin-4-ium-4-ylethyl]benzenesulfonamide ?
user
C22H31N2O4S+
assistant