Using COc1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1OC, CC(C)c1cccc(C(C)CC=O)c1 to produce COc1ccc(C=CCC(C)c2cccc(C(C)C)c2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.