Using COC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, COC(=O)c1cc(C=O)cc(OCc2ccccc2)c1 to produce COC=Cc1cc(OCc2ccccc2)cc(C(=O)OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.