You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-6-fluoro-7-[4-[(6R,7R)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-7-[[2-(tetrazol-1-yl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H30FN11O6S3
assistant