Using O=CC1CN2CCC1CC2, CCCCOc1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1 to produce CCCCOc1ccc(/C=C\C2CN3CCC2CC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.