Using CCC(O)CC, O=C(NS(=O)(=O)c1ccccc1)c1ccc(C(=O)[O-])nc1 to produce CCC(CC)OC(=O)c1ccc(C(=O)NS(=O)(=O)c2ccccc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.