Using C[P+](c1ccccc1)(c1ccccc1)c1ccccc1, O=CC1CN(Cc2ccccc2)CC1c1ccc(Cl)c(Cl)c1 to produce C=CC1CN(Cc2ccccc2)CC1c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.