You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[5-(1-butylpiperidin-4-yl)-3-propan-2-yl-1H-indol-2-yl]-1,3-dimethylpyridin-2-one into its molecular formula.
user
C27H37N3O
assistant