Using CCOC(=O)c1cn(CC)c2c(F)c(F)c(F)c(F)c2c1=O to produce CCn1cc(C(=O)O)c(=O)c2c(F)c(F)c(F)c(F)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.