Using CCOCOc1cc(C=Cc2cccc(C=CCCCCC(O)(CC)CC)c2)cc(OCOCC)c1 to produce CCC(O)(CC)CCCCC=Cc1cccc(C=Cc2cc(O)cc(O)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.