Using O=C(O)c1ccc(Br)cc1Cl, NS(=O)(=O)c1ccc(Cl)cc1 to produce O=C(NS(=O)(=O)c1ccc(Cl)cc1)c1ccc(Br)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.