Using C[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1CO, CCI to produce CCOC[C@H]1[C@H](C)OC(C)(C)N1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.