Using COC(=O)c1nn(-c2ccc(-n3cc(F)c(F)c3)cc2OCc2ccccc2)cc(OC)c1=O to produce COc1cn(-c2ccc(-n3cc(F)c(F)c3)cc2OCc2ccccc2)nc(C(=O)O)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.