Using CCOC(=O)c1c(O)c2ncc(Cc3ccc(F)cc3)cc2[nH]c1=O, ClCCCI to produce CCOC(=O)c1c(O)c2ncc(Cc3ccc(F)cc3)cc2n(CCCCl)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.