Using Oc1ccn2ncnc2c1, CC(C)(C)OC(=O)c1ccc(F)c(Cl)c1F to produce CC(C)(C)OC(=O)c1ccc(Oc2ccn3ncnc3c2)c(Cl)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.