Using CCOC(=O)c1cnc(-c2cccc(Cn3nc(-c4cc(F)c(F)c(F)c4)ccc3=O)c2)nc1 to produce O=C(O)c1cnc(-c2cccc(Cn3nc(-c4cc(F)c(F)c(F)c4)ccc3=O)c2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.