Using O=C1NC(=O)c2ccccc21, FC(F)(F)c1nc(Nc2cccc(Cl)c2)ncc1CCl to produce O=C1c2ccccc2C(=O)N1Cc1cnc(Nc2cccc(Cl)c2)nc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.