Using O=S(=O)(c1ccccc1)n1cc(-c2ccc(CN3CCCC3)s2)c2cccc(F)c21 to produce Fc1cccc2c(-c3ccc(CN4CCCC4)s3)c[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.