You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1S,5S,7R)-4,4-dioxo-N-phenyl-3-(pyridin-4-ylmethyl)-11-oxa-4lambda6-thia-3,9-diazatricyclo[5.3.1.01,5]undecane-9-carboxamide;2,2,2-trifluoroacetic acid by IUPAC nomenclature, provide its molecular formula.
user
C22H23F3N4O6S
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