Using Cc1ccc2c(N3CCN(C(=O)OCc4ccccc4)CC3CO)nc(-c3ccccc3O)nc2c1 to produce Cc1ccc2c(N3CCNCC3CO)nc(-c3ccccc3O)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.