Using CC(C(N)=O)c1ccc2c(c1)C(=O)Cc1ccc(F)cc1S2, CC(=O)O to produce CC(C(=O)O)c1ccc2c(c1)C(=O)Cc1ccc(F)cc1S2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.