You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 6-[1-(2,5-dichlorophenyl)sulfonylpyrrolidin-3-yl]oxy-N,N-dimethylpyridazin-3-amine ?
user
C16H18Cl2N4O3S
assistant