Using CCN(C(=O)Cn1c(=O)n(C)c2nc(-c3ccccc3)nc(Cl)c21)c1ccccc1, CNC to produce CCN(C(=O)Cn1c(=O)n(C)c2nc(-c3ccccc3)nc(N(C)C)c21)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.