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 (1R,2S,3S,4R)-3-[(3,4-dimethoxyphenyl)carbamoyl]-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylic acid ?
user
C16H17NO6
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