You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3,3,3-trifluoro-2-methoxy-N-(4-methoxy-3-methyl-2-spiro[2.5]oct-6-en-6-ylphenyl)-N-(2-oxo-1,3-oxazolidin-3-yl)-2-phenylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H31F3N2O5
assistant