You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-[(1R,2R,3R)-3-hydroxy-2-[3-hydroxy-4-[3-(2-methoxyethyl)phenyl]but-1-enyl]-5-oxocyclopentyl]hept-5-enoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H34O6
assistant