You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 1-[[5-(3,5-dimethoxyphenyl)-2-sulfanylidene-1,3,4-oxadiazol-3-yl]methyl]piperidin-1-ium-4-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H24N3O5S+
assistant