Using O=S(=O)(Cl)c1cc(Cl)c(F)cc1F, COc1cc2c(cc1OC)CN(CCCN)CC2 to produce COc1cc2c(cc1OC)CN(CCCNS(=O)(=O)c1cc(Cl)c(F)cc1F)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.