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 [5-cyano-5-[4-(pentanoylamino)pyrrolo[2,1-f][1,2,4]triazin-7-yl]oxolan-2-yl]methyl 2-cyclohexylacetate .
user
C25H33N5O4
assistant