You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-ethyl-4-(1-methylpyrazol-4-yl)-3-oxo-N'-[(2-phenyl-1,3-oxazol-4-yl)methyl]piperazine-1-carboximidamide;hydroiodide .
user
C21H26IN7O2
assistant