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system
Provide the molecular formula for the IUPAC named substance [4-[2-[4-[1-[4-[2-(4-cyanatophenyl)propan-2-yl]phenyl]-3,3-dimethyl-2,7-dioxo-1,6-diazaspiro[4.4]nonan-6-yl]phenyl]propan-2-yl]phenyl] cyanate .
user
C41H40N4O4
assistant