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-[6-(difluoromethoxy)-1,2,3,4-tetrahydronaphthalen-1-yl]-4-(5-methyl-1H-1,2,4-triazol-3-yl)benzamide using the IUPAC nomenclature.
user
C21H20F2N4O2
assistant