Using C[C@H](N)C(=O)N1CCC[C@H]1C(=O)OC(C)(C)C, COc1ccc(CS[C@H](C=O)C(Cc2ccccc2)NC(=O)c2ccccc2)cc1 to produce C[C@H](NCC(S)[C@H](Cc1ccccc1)NC(=O)c1ccccc1)C(=O)N1CCC[C@H]1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.