Using Cc1ccc(CSC[C@H](NC(=O)[C@H](C)CS)C(=O)O)cc1, Cc1ccc(S(=O)(=O)O)cc1 to produce COC(=O)[C@H](CSCc1ccc(C)cc1)NC(=O)[C@H](C)CS, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.