Using C=C1CC(C(=O)[O-])N(C=O)C(C(=O)OCC)(C(F)F)C1 to produce C=C1CC(C(=O)O)N(C=O)C(C(=O)O)(C(F)F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.