Using COC(=O)[C@H](NS(=O)(=O)N1CCC(c2ccc(Br)cc2)CC1)C(C)C, OCc1cccnc1 to produce COC(=O)[C@@H](C(C)C)N(Cc1cccnc1)S(=O)(=O)N1CCC(c2ccc(Br)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.