Using SC1CCCC1, COC(=O)c1ccc(-n2ncc(C(=O)OC(C)(C)C)c2Cl)cc1 to produce COC(=O)c1ccc(-n2ncc(C(=O)OC(C)(C)C)c2SC2CCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.