Using BrCc1ccccc1, FC(F)(F)c1cccc(C2CCCNC2)c1 to produce FC(F)(F)c1cccc(C2CCCN(Cc3ccccc3)C2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.