You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (6R)-2-iodo-5,5-dioxo-4,8-dioxa-5lambda6-thiatricyclo[4.2.1.03,7]nonane-6-carbonitrile ?
user
C7H6INO4S
assistant