You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[1-(3,5-dimethyl-1H-pyrrole-2-carbonyl)piperidin-4-yl]-N-[2-(furan-2-yl)ethyl]acetamide into its molecular formula.
user
C20H27N3O3
assistant