You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule ethyl 2-[1-(1-amino-2-bicyclo[2.2.1]heptanyl)triazol-4-yl]-1,3-oxazole-4-carboxylate into molecular formula.
user
C15H19N5O3
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