You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-(1-acetylazetidin-3-yl)-3-[3-(difluoromethoxy)phenyl]pyrazolo[4,3-b]pyridine-6-carbaldehyde ?
user
C19H16F2N4O3
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