You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 2-[[10-hydroxy-6-methyl-12-oxo-2-[[4-(trifluoromethyl)phenyl]methyl]-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5,7,9(13),10-tetraene-11-carbonyl]amino]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H27F3N2O6
assistant