Using CNC1CCN(c2ccc3nnc(C(F)(F)F)n3n2)CC1, BrCc1cccnc1 to produce CN(Cc1cccnc1)C1CCN(c2ccc3nnc(C(F)(F)F)n3n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.