You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[2-[1-(4-bromobenzoyl)piperidin-4-yl]-1,3-thiazol-4-yl]methyl]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H22BrN3O2S
assistant