Using CCc1ccc(Br)cc1[Pb+3], O=C1CC(=O)C2C=CC1CC2 to produce CCc1ccc(Br)cc1C1C(=O)C2C=CC(CC2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.