Using c1ccncc1, CC(C)(C)OC(=O)N1CCC(F)(F)CC1C(=O)O to produce CC(C)(C)OC(=O)N1CCC(F)(F)CC1C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.