You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (4,5-dimethoxy-2-methylphenyl)methyl-methyl-[2-oxo-2-[(1,3,5-trimethylpyrazol-4-yl)amino]ethyl]azanium .
user
C19H29N4O3+
assistant