Using CCn1nccc1O, CC(=O)c1cc(-c2c(Cl)ccc(C(=O)O)c2Cl)n(C)n1 to produce CCn1nccc1OC(=O)c1ccc(Cl)c(-c2cc(C(C)=O)nn2C)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.