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system
Provide the molecular formula for the IUPAC named substance tert-butyl N-[(1S,4R,6S,7Z,11S,13R,14S,18R)-4-(cyclopropylsulfonylcarbamoyl)-18-(4-ethoxyphthalazin-1-yl)oxy-11,13-dimethyl-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-en-14-yl]carbamate .
user
C38H52N6O9S
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