You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(4-chloropyrazol-1-yl)methyl]-N-[2-[(3-nitrobenzoyl)amino]ethyl]-1,2,4-oxadiazole-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H14ClN7O5
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