Using CCO[C@H]1CN(C(=O)OCc2ccccc2)C[C@H]1Nc1nc(CC)c(-c2ccc(Cl)cc2Cl)nc1CC to produce CCO[C@H]1CNC[C@H]1Nc1nc(CC)c(-c2ccc(Cl)cc2Cl)nc1CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.