Using CCOC(=O)CP(=O)(OCC)OCC, COc1cc2cc(C=O)ccc2c(OC)c1OC to produce CCOC(=O)C=Cc1ccc2c(OC)c(OC)c(OC)cc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.