Using CN1CCNCC1, CN1C(=O)c2cncnc2N(C(=O)CCl)c2ccccc21 to produce CN1CCN(CC(=O)N2c3ccccc3N(C)C(=O)c3cncnc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.