Using CCC(O)CCN1CCN(C(c2ccccc2)c2ccccc2)CC1, BrP(Br)Br to produce CCC(Br)CCN1CCN(C(c2ccccc2)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.