Using c1ccc2c(Cn3c(NC4CCNCC4)nc4ccccc43)ccnc2c1, N#CCCl to produce N#CCN1CCC(Nc2nc3ccccc3n2Cc2ccnc3ccccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.