You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-butan-2-yl-1-[1-[2-(4-chlorophenyl)-2-hydroxyethyl]piperidin-4-yl]-6-fluoro-2-oxo-3H-benzimidazole-5-carboxamide .
user
C25H30ClFN4O3
assistant