Using CC1=C(C2=NOC(CCl)C2)C(C)C(=S(=O)=O)C=C1C(=O)C1=C(O)C(C)CC(C)C1=O to produce CC1=C(C2=NOC3CC23)C(C)C(=S(=O)=O)C=C1C(=O)C1=C(O)C(C)CC(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.