Using [F-], CS(=O)(=O)OCCn1cc(-c2ccncc2)c(-c2ccc(OCc3ccccc3)cc2)n1 to produce FCCn1cc(-c2ccncc2)c(-c2ccc(OCc3ccccc3)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.