Using Cc1c(C)c(I)c(C)c(C)c1I, C#Cc1ccc(CCCC)cc1 to produce CCCCc1ccc(C#Cc2c(C)c(C)c(C#Cc3ccc(CCCC)cc3)c(C)c2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.