Using BrC1CCCC1, CCCCc1nc(C(F)(F)F)nc2nc[nH]c12 to produce CCCCc1nc(C(F)(F)F)nc2c1ncn2C1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.