Using O=S(=O)(O)Cl, CC(=O)N1CCC2c3ccccc3OC2C1 to produce CC(=O)N1CCC2c3cc(S(=O)(=O)Cl)ccc3OC2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.