Using Nc1cc2c(/C=C/c3ccc(F)cc3)nn(C(c3ccccc3)(c3ccccc3)c3ccccc3)c2cc1F, O=C(Cl)CCl to produce O=C(CCl)Nc1cc2c(/C=C/c3ccc(F)cc3)nn(C(c3ccccc3)(c3ccccc3)c3ccccc3)c2cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.