Using Fc1ccccc1N1CCNCC1, O=S(=O)(Cl)c1ccccc1Cl to produce O=S(=O)(c1ccccc1Cl)N1CCN(c2ccccc2F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.