Using C=C(C(=O)c1ccc(OCC(=O)O)c(Cl)c1Cl)C1CCCC1, CCOC(=O)CC(C)=O to produce O=C(O)COc1ccc(C2=CC(=O)CCC2C2CCCC2)c(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.