You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 3-(2-chloro-6-fluorophenyl)-5-(3-ethyl-2-piperidin-4-ylimidazol-4-yl)-1,2-oxazole is given. What is its corresponding molecular formula?
user
C19H20ClFN4O
assistant