Using COC(=O)c1cccc(S(=O)(=O)N2C[C@H](C)C[C@H](C)C2)c1Cl to produce C[C@@H]1C[C@H](C)CN(S(=O)(=O)c2cccc(C(=O)O)c2Cl)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.