Using O=c1[nH]nc2c(-c3ccc(Cl)cc3)c(-c3ccc(Cl)cc3)nc(Cl)n12, CCN(C(C)C)C(C)C to produce CNc1nc(-c2ccc(Cl)cc2)c(-c2ccc(Cl)cc2)c2n[nH]c(=O)n12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.