Using Cc1ccc(S(=O)(=O)CCO)cc1, O=C(O)c1cccnc1S to produce Cc1ccc(S(=O)(=O)CCSc2ncccc2C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.