Using C[C@H](c1ccccc1)N1C(=O)CO[C@@H]2CN(C(=O)OC(C)(C)C)C[C@H]21 to produce C[C@H](c1ccccc1)N1CCO[C@@H]2CN(C(=O)OC(C)(C)C)C[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.