You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(5-chloro-2-methylphenyl)-2-[1-(4-fluorophenyl)-5-methylpyrazol-4-yl]quinoline-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H20ClFN4O
assistant