You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 5-bromo-2-nitropyridine;1-methyl-4-(6-nitropyridin-3-yl)piperazine;1-methylpiperazine;5-(4-methylpiperazin-1-yl)pyridin-2-amine;oxolane ?
user
C34H53BrN12O5
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