You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[3-[2-[4-(6-chloro-1H-indol-3-yl)piperidin-1-yl]ethyl]-4-methylphenyl]-N-pyridin-3-ylformamide into its molecular formula.
user
C28H29ClN4O
assistant