Using O=C(O)c1cc(NCc2c(F)c(F)c(C(F)(F)F)c(F)c2F)ccc1O to produce O=C([O-])c1cc(NCc2c(F)c(F)c(C(F)(F)F)c(F)c2F)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.