Using CC1(C)CC(O)(NC(=O)CCCCl)c2cc(S(=O)(=O)c3ccccc3)ccc2O1, O=C(Cl)CCCCl to produce CC1(C)Oc2ccc(S(=O)(=O)c3ccccc3)cc2[C@@H](N2CCCC2=O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.