Using CCOC(=O)COc1cc(CNc2nc3ccccc3n2[C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)ccc1-c1ccccc1 to produce OCCOc1cc(CNc2nc3ccccc3n2[C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)ccc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.