Using O=C1CCC2(CC1)OCCO2, c1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1 to produce C(=C1CCC2(CC1)OCCO2)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.