You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[3-(2-methoxyphenyl)prop-2-enylidene]-7-(morpholin-4-ium-4-ylmethyl)-3-oxo-1-benzofuran-6-olate by IUPAC nomenclature, provide its molecular formula.
user
C23H23NO5
assistant