Using CS(=O)(=O)c1ccc(B(O)O)cc1, CSc1ncnc2c(Br)csc12 to produce CSc1ncnc2c(-c3ccc(S(C)(=O)=O)cc3)csc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.