You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-[(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]-1,3-thiazol-2-yl]-2-oxo-1,5,6,7-tetrahydrocyclopenta[b]pyridine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H19N3O3S
assistant