Using BrC(Br)(Br)Br, O=C(Nc1cc(Cl)ccc1N1CCC(CCO)CC1)c1cccc(Cl)c1 to produce O=C(Nc1cc(Cl)ccc1N1CCC(CCBr)CC1)c1cccc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.