Using Nc1ncnc2c1c(-c1ccc(Oc3ccccc3)cc1)cn2C1C=CC(O)C1 to produce Nc1ncnc2c1c(-c1ccc(Oc3ccccc3)cc1)cn2C1CCC(O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.