You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(5-methoxy-1,3-dioxo-3a,4,5,6,7,7a-hexahydroinden-2-ylidene)amino] 2-[4-(dimethylamino)pyridin-1-ium-1-yl]acetate into its molecular formula.
user
C19H24N3O5+
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