Using O=C([O-])[O-], CCOC(=O)c1c[nH]c2c(F)c(F)c(F)cc2c1=O to produce Cn1cc(C(=O)O)c(=O)c2cc(F)c(F)c(F)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.