You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,4S)-3-[[(2E)-2-[2-[(2-chloroacetyl)amino]-1,3-thiazol-4-yl]-2-methoxyiminoacetyl]amino]-2-oxo-4-(sulfooxymethyl)azetidine-1-sulfonic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C12H14ClN5O11S3
assistant