You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-[butyl(methyl)carbamoyl]-2,4-dihydroxybenzoyl]-N,2-dimethyl-1,3-dihydroisoindol-2-ium-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H30N3O5+
assistant