Using Clc1cc(Cl)ncn1, OC(c1ccccc1-c1ccncc1)C(F)(F)F to produce FC(F)(F)C(Oc1cc(Cl)ncn1)c1ccccc1-c1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.