Using CC(=O)N(C)C, O=C1CCN(Cc2ccccc2)c2nc(Cl)ncc2N1 to produce CN1C(=O)CCN(Cc2ccccc2)c2nc(Cl)ncc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.