Using CN(C)C(=O)Sc1ccc(CNc2c(Cl)ccc3c2CCN(C(=O)OC(C)(C)C)CC3)cc1, CC(C)(C)C(=O)CBr to produce CC(C)(C)OC(=O)N1CCc2ccc(Cl)c(NCc3ccc(SCC(=O)C(C)(C)C)cc3)c2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.