You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule dimethyl 2-(difluoromethyl)-4-(5-ethyl-2-oxooxolan-3-yl)-6-(trifluoromethyl)pyridine-3,5-dicarboxylate .
user
C17H16F5NO6
assistant