Using O=C(O)c1cnc2c(C(F)(F)F)cccc2c1-c1ccccc1, Nc1ccccc1 to produce O=C(Nc1ccccc1)c1cnc2c(C(F)(F)F)cccc2c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.