You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(2-chlorophenyl)-2-morpholin-4-ylethyl]-3,4,6-trimethyl-1-benzofuran-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H27ClN2O3
assistant