You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2-phenyl-N-[6-[4-(3-propan-2-yl-1,2,4-oxadiazol-5-yl)piperidin-1-yl]pyridin-3-yl]-5-(trifluoromethyl)-6H-1,3-oxazine-4-carboxamide ?
user
C27H27F3N6O3
assistant