Using N#CCCn1c2ccccc2c2c3c(c4c5ccccc5[nH]c4c21)C(=O)NC3, CI to produce Cn1c2ccccc2c2c3c(c4c5ccccc5n(CCC#N)c4c21)CNC3=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.