Using C[C@@H](c1ncc(-c2ccc(Cl)cc2)o1)N1C(=O)c2ccccc2C1=O to produce C[C@H](N)c1ncc(-c2ccc(Cl)cc2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.