You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule ethyl 2-(7-methoxy-1-benzofuran-2-carbonyl)imino-3-prop-2-ynyl-1,3-benzothiazole-6-carboxylate into molecular formula.
user
C23H18N2O5S
assistant