Using CCOC(=O)Cl, Cc1c(Cc2ccc(OC(C)C)cc2)c(O[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)nn1CC1CC1 to produce CCOC(=O)OC[C@H]1O[C@@H](Oc2nn(CC3CC3)c(C)c2Cc2ccc(OC(C)C)cc2)[C@H](O)[C@@H](O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.