Using COc1ccc(C2(C)CCc3cc(OC)ccc3C2=O)cc1, COC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce COC=C1c2ccc(OC)cc2C=CC1(C)c1ccc(OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.