Using NC1COc2ccc(Br)cc2C1, C[C@@H]1CN(C(=O)OC(C)(C)C)[C@@H](C)CN1CCCCl to produce C[C@@H]1CN(C(=O)OC(C)(C)C)[C@@H](C)CN1CCCNC1COc2ccc(Br)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.