Using C[C@@H](Oc1cc(B2OC(C)(C)C(C)(C)O2)cc2ncn(C3CC3)c12)[C@H]1CNC(=O)C1, Brc1ccc2c(n1)NCCO2 to produce C[C@@H](Oc1cc(-c2ccc3c(n2)NCCO3)cc2ncn(C3CC3)c12)[C@H]1CNC(=O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.