Using CCOC(=O)c1c(C(C)C)nc2ccc(Cl)cc2c1Cc1ccccc1Cl to produce CC(C)c1nc2ccc(Cl)cc2c(Cc2ccccc2Cl)c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.