You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methoxy-2-methylpropane;6-[(3,4,5-trifluorophenyl)methoxy]-4-azaspiro[2.4]hept-1-ene-4-carbaldehyde The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H24F3NO3
assistant