Using O=C(Nc1c(-c2ccccc2F)nnn1CS(=O)c1ccccc1)C(Cl)c1ccccc1 to produce O=c1[nH]c2c(-c3ccccc3F)nnn2cc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.