You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R)-N-[5-chloro-4-[3-[(4-cyanooxan-4-yl)methyl]benzimidazol-5-yl]pyridin-2-yl]piperidine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H27ClN6O2
assistant