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 4-[5-[3-(2-methoxyethyl)-5-pyridin-2-yl-2-sulfanylideneimidazolidin-4-yl]furan-2-yl]benzoic acid .
user
C22H21N3O4S
assistant