Using O=C(c1ccccc1)n1c(=O)c(-c2cccnc2)cn(CCCCl)c1=O to produce O=c1[nH]c(=O)n(CCCCl)cc1-c1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.