Using COc1ccccc1N1CCN(CCc2ccncc2)CC1, Fc1ccc(CBr)cc1 to produce COc1ccccc1N1CCN(CC(Cc2ccc(F)cc2)c2ccncc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.