Using CCCCCCCc1ccc(C=O)cc1, CCCCOc1ccc(CC#N)cc1 to produce CCCCCCCc1ccc(C=C(C#N)c2ccc(OCCCC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.