Using O=C1CCN(C(=O)C(F)(F)F)CC1, Cc1ccc(CN)cc1 to produce Cc1ccc(CNC2CCN(C(=O)C(F)(F)F)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.