You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 10-hydroxy-4-methyl-9-oxo-4,5,8,10-tetrazatricyclo[6.2.1.02,6]undeca-2,5-diene-7-carboxylic acid .
user
C9H10N4O4
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