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-chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-[4-[2-(2-ethylimidazol-1-yl)ethyl]piperazin-1-yl]methanone is given. What is its corresponding molecular formula?
user
C22H26ClN5O2
assistant