You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 4-amino-2-ethoxy-6-formylpyridine-3-carbonitrile;N-methyl-1-[4-(trifluoromethoxy)phenyl]methanamine ?
user
C18H19F3N4O3
assistant