Using COCc1nc2c(C(F)(F)F)cccc2c(O)c1C(=O)Nc1nccs1 to produce O=C(Nc1nccs1)c1c(CO)nc2c(C(F)(F)F)cccc2c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.