Using COC(=O)c1cc2ncnc(NCCc3ccc(NC(=O)c4cccc(C(F)(F)F)c4)cc3)c2s1 to produce O=C(Nc1ccc(CCNc2ncnc3cc(C(=O)O)sc23)cc1)c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.