You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-oxo-7-[[(2R)-oxolan-2-yl]methyl]-6-[4-(trifluoromethyl)benzoyl]imino-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H23F3N4O5
assistant