Using C#Cc1ccc2c(C(N)=O)c(NC(N)=O)[nH]c2c1, O=C(O)C(F)(F)F to produce CC(=O)c1ccc2c(C(N)=O)c(NC(N)=O)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.