You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2,4-dimethyl-1,3-thiazol-5-yl)methyl]-1-(5-methyl-[1,3]oxazolo[4,5-b]pyridin-2-yl)piperidine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H23N5O2S
assistant