You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 1-[1-(4-chlorophenyl)-5-methylpyrazol-4-yl]-2-[5-cyclopropyl-6-(4-hydroxypiperidin-1-yl)pyridin-3-yl]ethanone ?
user
C25H27ClN4O2
assistant