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-(1-ethyl-3,5-dimethylpyrazol-4-yl)-5-methyl-3-phenyl-4H-1,2-oxazole-5-carboxamide .
user
C18H22N4O2
assistant