Using c1nc[nH]n1, CN(CCc1ccccc1)C1CCN(C(=O)c2ccc(Cl)nc2)CC1 to produce CN(CCc1ccccc1)C1CCN(C(=O)c2ccc(-n3cncn3)nc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.