Using Clc1ccc2c(Cl)nncc2c1, FC(F)(F)c1nnc2n1CCNC2 to produce FC(F)(F)c1nnc2n1CCN(c1nncc3cc(Cl)ccc13)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.