You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[5-[[[(2R)-2-hydroxy-2-(4-methyl-1-oxo-3H-2-benzofuran-5-yl)ethyl]amino]methyl]-1,3-thiazol-2-yl]-4-methylpyridine-3-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H20N4O3S
assistant