Using O=CC1=C(Br)CCCC1, CC1=C(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)C(C)(C)CCC1 to produce CC1=C(/C=C/C2=C(Br)CCCC2)C(C)(C)CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.