Using CCOC(=O)c1nc(-c2ccccc2Cl)n(-c2ccc(Cl)cc2)c1CC to produce CCc1c(C(=O)O)nc(-c2ccccc2Cl)n1-c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.