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system
Name the molecular formula for the molecule established as N-[9-[(1R,6R,8R,9R,10R,15R,17R,18R)-3-(2-cyanoethoxy)-9,18-difluoro-3,12,12-trioxo-17-(7-oxo-6H-triazolo[4,5-d]pyrimidin-3-yl)-2,4,7,11,16-pentaoxa-12lambda6-thia-3lambda5-phosphatricyclo[13.3.0.06,10]octadecan-8-yl]purin-6-yl]benzamide using the IUPAC nomenclature.
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C30H28F2N11O11PS
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