You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 5-(3,4-dimethoxyphenyl)-4-[hydroxy-(2-methyl-2,3-dihydro-1-benzofuran-5-yl)methylidene]-1-[3-(1H-imidazol-3-ium-3-yl)propyl]pyrrolidine-2,3-dione .
user
C28H30N3O6+
assistant