You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-chloro-N-(1-ethyl-3-methyl-6-nitro-2,4,5-trioxo-8H-pyrido[2,3-d]pyrimidin-7-yl)acetamide .
user
C12H12ClN5O6
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