Using CC(C)(C)OC(=O)N[C@H](CCCI)C(=O)OC(C)(C)C, O=C1NS(=O)(=O)c2ccccc21 to produce CC(C)(C)OC(=O)N[C@H](CCCN1C(=O)c2ccccc2S1(=O)=O)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.