Using ClCCCc1ccccc1, Nc1ncc2cc(-c3c(Cl)cccc3Cl)c(=O)[nH]c2n1 to produce Nc1ncc2cc(-c3c(Cl)cccc3Cl)c(=O)n(CCCc3ccccc3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.