You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-[(2S)-1-[4-(2,3-dihydro-1-benzofuran-5-ylmethyl)piperazin-1-yl]-3-methyl-1-oxobutan-2-yl]-2-phenylacetamide using the IUPAC nomenclature.
user
C26H33N3O3
assistant