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-hydroxypropan-2-yl]-3-methyl-4-[4-(trifluoromethyl)phenyl]triazolo[4,5-b]indole-7-carboxamide using the IUPAC nomenclature.
user
C20H18F3N5O2
assistant