Using c1ccc([P+](CCCCCCCCOC2CCCCO2)(c2ccccc2)c2ccccc2)cc1, O=CCCc1ccccc1 to produce C(=CCCc1ccccc1)CCCCCCCOC1CCCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.