You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (3R,4S)-6-hydroxy-3-methyl-4-[2-[5-[3-(trifluoromethyl)phenyl]pyridin-2-yl]ethenyl]-3a,4,4a,5,6,7,8,8a,9,9a-decahydro-3H-benzo[f][2]benzofuran-1-one .
user
C27H28F3NO3
assistant