You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 3-[4-[2-[[6-ethyl-13-(1-phenylethyl)-2-tricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,9,12,14-heptaenyl]oxy]ethoxy]phenyl]-2-methoxypropanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C39H42O5
assistant