Using CCOC(C)=O, COc1cc(OCc2ccccc2)cc(OC)c1C=O to produce CCOC(=O)/C=C/c1c(OC)cc(OCc2ccccc2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.