Using CN1CC[C@]23c4c5ccc(O)c4O[C@H]2C(=O)CC[C@H]3[C@H]1C5, O=S(=O)(O)O to produce CN1CC[C@]23c4c5ccc(OS(=O)(=O)O)c4O[C@H]2C(=O)CC[C@H]3[C@H]1C5, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.