Using C[C@@H]1COCCN1c1nc(N2CCOC[C@H]2C)c2nc[nH]c2n1, BrBr to produce C[C@@H]1COCCN1c1nc(N2CCOC[C@H]2C)c2nc(Br)[nH]c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.