You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[1-[2-(3-methyl-6-oxopyridazin-1-yl)ethyl]piperidin-2-yl]methyl]-1,3-thiazole-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H23N5O2S
assistant