Using Cn1ncc2ccc(B(O)O)cc21, COC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2nc(-c3ccnc(Cl)c3)sc2c1-c1ccc(Cl)cc1 to produce Cc1cc2nc(-c3ccnc(-c4ccc5cnn(C)c5c4)c3)sc2c(-c2ccc(Cl)cc2)c1[C@H](OC(C)(C)C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.