Using C[C@@H](O)COC(C)(C)C, COC(=O)c1cc(O)cc(Oc2cnc(C(=O)N(C)C)cn2)c1 to produce COC(=O)c1cc(Oc2cnc(C(=O)N(C)C)cn2)cc(O[C@@H](C)COC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.