Using CC(C)(C)OC(=O)NC1CCNCC1, O=CC1CCC(F)(F)CC1 to produce CC(C)(C)OC(=O)NC1CCN(CC2CCC(F)(F)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.