Using Cc1nnc2n1-c1ccccc1N(c1ccc(Cl)cc1)C(=O)C2CC(=O)O to produce Cc1nnc2n1-c1ccccc1N(c1ccc(Cl)cc1)CC2CCO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.