Using CCN(C1CCN(CCNC(=O)Nc2cc(C)nc(C)c2)CC1)S(=O)(=O)c1cc(Br)ccc1OC to produce CCN(C1CCN(CCNC(=O)Nc2cc(C)nc(C)c2)CC1)S(=O)(=O)c1ccccc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.