Using O=C(Cl)c1nn(-c2ccccc2)c2c1Cc1ccccc1-2, CCOC(=O)CC#N to produce CCOC(=O)C(C#N)C(=O)c1nn(-c2ccccc2)c2c1Cc1ccccc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.