You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2S,6S)-2-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)-6-methyl-4-[2-[6-(trifluoromethyl)imidazo[1,2-a]pyrazin-3-yl]pyrimidin-4-yl]morpholine .
user
C21H19F3N8O2
assistant