Using CC(C)(C)OC(=O)NN=C(CCCC(=O)O)c1ccc(F)cc1 to produce CC(C)(C)OC(=O)NN1C(=O)CCCC1c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.