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 2-[[4-(3-bromophenyl)oxan-4-yl]amino]-N-(2-thiophen-2-ylethylcarbamoyl)acetamide using the IUPAC nomenclature.
user
C20H24BrN3O3S
assistant