Using Cc1nn(-c2ccccc2)nc1C(=O)Nc1ccc([C@H]2CN(C(=O)OC(C)(C)C)CCO2)cc1 to produce Cc1nn(-c2ccccc2)nc1C(=O)Nc1ccc([C@H]2CNCCO2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.