Using CCc1ccc(Br)cc1[Pb+3], CC12CCC(C(=O)CC1=O)C2(C)C to produce CCc1ccc(Br)cc1C1C(=O)C2CCC(C)(C1=O)C2(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.