You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 2-[5-[(6-amino-2-methylpyridin-3-yl)methylcarbamoyl]-1,3-dioxo-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazin-2-yl]-3-(4-bromophenyl)sulfanylpropanoic acid ?
user
C23H23BrN6O5S
assistant