Using NNc1ccc(F)cn1, CC(C)(C)OC(=O)N1CCN(CC(=O)O)CC1 to produce CC(C)(C)OC(=O)N1CCN(CC(=O)NNc2ccc(F)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.