Using CCOP(=O)(OCC)Oc1ccc(/C(C)=C/C(=O)O)cc1, Oc1c(Cl)c(Cl)c(Cl)c(Cl)c1Cl to produce CCOP(=O)(OCC)Oc1ccc(/C(C)=C/C(=O)Oc2c(Cl)c(Cl)c(Cl)c(Cl)c2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.