You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1-ethynylcyclohexyl)-2-[5-(5-methyl-2-phenyltriazol-4-yl)-2-oxo-1,3,4-oxadiazol-3-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H22N6O3
assistant