Using CC(C)(C)OC(=O)CN[C@H]1CC[C@H](c2ccccc2)CC1, O=C(Cl)CCSC(=O)c1ccccc1 to produce CC(C)(C)OC(=O)CN(C(=O)CCSC(=O)c1ccccc1)[C@H]1CC[C@H](c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.