You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N'-[(1R)-1-(4-chlorophenyl)-2-(cyclopentylamino)-2-oxoethyl]-N'-(3-fluorophenyl)-N-pyridin-2-ylpentanediamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H30ClFN4O3
assistant