Using Cc1noc(-c2ccc(Br)cc2)c1C=O, c1ccc(CCC[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1 to produce Cc1noc(-c2ccc(Br)cc2)c1C=CCCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.