Using NCc1ccc(Cl)cc1, CCc1cc(Br)cc(CC)c1C(=O)O to produce CCc1cc(Br)cc(CC)c1C(=O)NCc1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.