You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule sodium;(4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3-[1-[4-[(thiophene-2-carbonylamino)methyl]-1,3-thiazol-2-yl]azetidin-3-yl]sulfanyl-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate ?
user
C22H23N4NaO5S3
assistant