Using CC1(C)O[C@H]2[C@H](N3C(=O)c4ccccc4C3=O)CCC[C@H]2O1 to produce CC1(C)O[C@H]2[C@H](N)CCC[C@H]2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.