You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-butan-2-yl-5-methyl-N-(6-piperidin-1-ylpyridin-3-yl)pyrazole-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C19H27N5O
assistant