Using CCOC(=O)C(OCC)[P+](c1ccccc1)(c1ccccc1)c1ccccc1, O=Cc1cccc(OCc2ccccc2)c1 to produce CCOC(=O)C(=Cc1cccc(OCc2ccccc2)c1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.