Using O=C1N[C@H](SCc2ccccc2)[C@H]1Br, O=C(CBr)NCCCCCCc1ccccc1 to produce O=C(CN1C(=O)[C@H](Br)[C@H]1SCc1ccccc1)NCCCCCCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.