Using Cc1cc(Oc2ccccc2C(F)(F)F)n[nH]1, O=C=Nc1ccccc1 to produce Cc1cc(Oc2ccccc2C(F)(F)F)nn1C(=O)Nc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.