Using CSc1cccc(N2C(=O)Nc3cc(F)ccc3S2(=O)=O)c1, Fc1cccc(Cl)c1CBr to produce CSc1cccc(N2C(=O)N(Cc3c(F)cccc3Cl)c3cc(F)ccc3S2(=O)=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.