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 3-methoxy-2,4,5,6-tetramethyl-4-[(E)-3-(4-octadecoxyphenyl)-3-oxoprop-1-enyl]cyclohexa-1,5-diene-1-carboxylic acid .
user
C39H60O5
assistant