Using O=C1Nc2cccc(Cl)c2C(=O)N2C[C@H](CS(=O)(=O)[O-])C[C@@H]12 to produce O=C1Nc2cccc(Cl)c2C(=O)N2C=CC[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.