Using O=C(Nc1cccc(Cl)c1Cl)c1ccc(O)cc1, O=C(O)CBr to produce O=C(O)COc1ccc(C(=O)Nc2cccc(Cl)c2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.