Using CN1CCNCC1, CCOC(=O)c1cn(C)nc1Nc1ccc(C(F)(F)F)cc1N to produce CN1CCN(C(=O)c2cn(C)nc2Nc2ccc(C(F)(F)F)cc2N)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.