You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl N-[(1R,3aR,4aS,6S,8aS,9S,9aR)-9-[(E)-2-[5-(3-fluorophenyl)pyridin-2-yl]ethenyl]-1-methyl-3-oxo-3a,4,4a,5,6,7,8,8a,9,9a-decahydro-1H-benzo[f][2]benzofuran-6-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H33FN2O4
assistant