Using O=C(Cl)c1cnc(-c2cccc(F)c2)nc1, Nn1ccc2ncccc21 to produce O=C(Nn1ccc2ncccc21)c1cnc(-c2cccc(F)c2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.