Using O=C1c2cc(Br)ccc2COc2ccccc21, CN(C)CCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce CN(C)CC/C=C1/c2cc(Br)ccc2COc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.