Using Cc1cccc2c1[C@@H](N[S@@](=O)C(C)(C)C)[C@H](C(=O)OC(C)(C)C)C2 to produce Cc1cccc2c1[C@@H](N)[C@H](C(=O)OC(C)(C)C)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.