Using CN1CCC(C)(COc2ccnc3[nH]c4cnc(C#N)cc4c23)CC1, BrBr to produce CN1CCC(C)(COc2c(Br)cnc3[nH]c4cnc(C#N)cc4c23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.