Using COc1ccc(OC)c(C(=O)C=O)c1, CCOC(=O)/C=C(/CP(=O)(OCC)OCC)c1ccccc1 to produce CCOC(=O)/C=C(/C=C/C(=O)c1cc(OC)ccc1OC)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.