Using O=C(Cl)Cc1ccccc1, CC(=O)O[C@H]1[C@H](N)C(=O)N1S(=O)(=O)O to produce CC(=O)O[C@H]1[C@H](NC(=O)Cc2ccccc2)C(=O)N1S(=O)(=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.