You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4S)-5-[(1R)-2-amino-1-hydroxyethyl]-2-[[(2R,3R,4S,5R,6R)-5-carbamoyloxy-3-[[(3S)-3,6-diaminohexanoyl]amino]-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]amino]-4,5-dihydro-1H-imidazole-4-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C19H36N8O9
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