Using CCCCc1nc2c(I)n[nH]c2c(=O)[nH]1, C#CCCCCl to produce CCCCc1nc2c(C#CCCCCl)n[nH]c2c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.