Using CCOC(=O)CP(=O)(OCC)OCC, COc1ccc(Oc2ccc(C=O)cc2)cc1 to produce COc1ccc(Oc2ccc(/C=C/C(=O)O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.