Using Cc1c(O[C@H]2CC[C@@H](N3C(=O)c4ccccc4C3=O)CC2)ccc2c1cnn2C1CCCCO1 to produce Cc1c(O[C@H]2CC[C@@H](N)CC2)ccc2c1cnn2C1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.