You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(10S,13R)-4-(4,6-dimethylpyrimidine-5-carbonyl)-9,10,16-trimethyl-13-(2-methylpropyl)-1,4,9,12,15,17-hexazabicyclo[12.3.0]heptadeca-14,16-diene-8,11-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H38N8O3
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