Using Cc1cccc(O[C@@H]2CCN(C(=O)OCc3ccccc3)C[C@H]2O)c1C to produce Cc1cccc(O[C@@H]2CCNC[C@H]2O)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.