Using O=C(C(C(=O)c1cccc(CO)c1)=C1Nc2ccccc2N1)c1cc(F)cc(F)c1 to produce O=Cc1cccc(C(=O)C(C(=O)c2cc(F)cc(F)c2)=C2Nc3ccccc3N2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.