You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[4-(1,3-thiazol-2-yloxy)piperidin-1-yl]piperidin-1-yl]-2-thiophen-2-ylethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25N3O2S2
assistant