You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2R,4aR,8aR)-2-[3-fluoro-4-(4-methoxyphenyl)phenyl]-6-propyl-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalene .
user
C26H33FO
assistant