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;(6R)-3-(acetyloxymethyl)-7-[[2-[2-[(3-ethyl-2-oxoimidazolidine-1-carbonyl)amino]phenyl]acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate ?
user
C24H26N5NaO8S
assistant