Using CN(CCCl)CCCl, Nc1cccc2c1CC(C(=O)Nc1ccc(N3CCOCC3)cc1)C2 to produce CN1CCN(c2cccc3c2CC(C(=O)Nc2ccc(N4CCOCC4)cc2)C3)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.