Using FC(F)(F)c1ccc2nc(Cl)[nH]c2c1, Clc1cccnc1N1CCNCC1 to produce FC(F)(F)c1ccc2nc(N3CCN(c4ncccc4Cl)CC3)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.