Using CCCCC(CC(=O)c1ccc(OC)nc1)c1ccc(Br)cc1 to produce CCCCC(CC(=O)c1ccc(=O)[nH]c1)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.