Using CC(C)(C)OC(=O)N1CC[C@H](Nc2nc(-c3ccccc3O)nc3cc(Br)ccc23)C1, COC/C=C/B1OC(C)(C)C(C)(C)O1 to produce COC/C=C/c1ccc2c(N[C@H]3CCN(C(=O)OC(C)(C)C)C3)nc(-c3ccccc3O)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.