Using O=C(CC(=O)C(F)(F)F)c1ccco1, NNc1ccccc1Cl to produce FC(F)(F)c1cc(-c2ccco2)n(-c2ccccc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.