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 (2R)-2-[4-[(4,5-dimethoxy-2-methylphenyl)methyl]piperazine-1,4-diium-1-yl]-N-[(1R)-1-phenylethyl]propanamide ?
user
C25H37N3O3+2
assistant