You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[6-(1,3-benzodioxol-5-yl)pyridazin-3-yl]sulfanyl-N-(3-nitrophenyl)acetamide by IUPAC nomenclature, provide its molecular formula.
user
C19H14N4O5S
assistant