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 (2E,4S,5S,6E)-7-[(1R,6R,8S,8aS)-3,6,8-trimethyl-7-oxo-2-(2-oxopropyl)-5,6,8,8a-tetrahydro-1H-naphthalen-1-yl]-4,5-dihydroxy-4,6-dimethylhepta-2,6-dienoic acid .
user
C25H34O6
assistant