You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[(1S)-1-ethoxyethyl]-1,3-thiazol-4-yl]-N-[(6R)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-6-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H22N4O2S
assistant