Using O=C([O-])[O-], O=c1ccc(OC2CN(c3cccc(CO)c3F)C2)c[nH]1 to produce Cn1cc(OC2CN(c3cccc(CO)c3F)C2)ccc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.