Using FC(F)(F)c1ccc2nc(N3CCNCC3)[nH]c2c1, Clc1cccc(Cl)c1CBr to produce FC(F)(F)c1ccc2nc(N3CCN(Cc4c(Cl)cccc4Cl)CC3)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.