Using C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]2Cc3ccc(Br)nc3N21, CC(C)=O to produce C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]2Cc3ccc(C(C)(C)O)nc3N21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.