You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(1S)-2-[(3R,3aR,6S,6aS)-6-chloro-3-hydroxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]pyrrol-4-yl]-1-cyclohexyl-2-oxoethyl]-5-pyridazin-3-ylthiophene-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27ClN4O4S
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