You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [3-[4-[(4S)-4-[2-(ethylamino)-2-oxoethyl]-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-6-yl]phenyl]sulfanylphenyl]boronic acid into its molecular formula.
user
C28H28BN5O4S
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