Using O=C(c1ccccc1)n1c(=O)[nH]cc(I)c1=O, ClCCCCBr to produce O=C(c1ccccc1)n1c(=O)c(I)cn(CCCCCl)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.