Using Cc1ccc(-c2ccc3c(c2)C=C(C(=O)Nc2ccc(CC#N)cc2)CCO3)cc1 to produce Cc1ccc(-c2ccc3c(c2)C=C(C(N)=O)CCO3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.