Using CC(C)C(=O)N1CCN(c2ccc(N)cc2Cl)CC1, O=C(Cl)c1ccccn1 to produce CC(C)C(=O)N1CCN(c2ccc(NC(=O)c3ccccn3)cc2Cl)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.