Using COC[C@H](C)Oc1cc(O)cc(C(=O)Nc2ccn(C(=O)OC(C)(C)C)n2)c1, CCN(CC)CC to produce CCOC(=O)c1ccc(Oc2cc(O[C@@H](C)COC)cc(C(=O)Nc3ccn(C(=O)OC(C)(C)C)n3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.