You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl N-[4-[3-chloro-6-[1-[3-[5-chloro-2-(tetrazol-1-yl)phenyl]prop-2-enoylamino]-2-(4-fluorophenyl)ethyl]pyridazin-4-yl]phenyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H23Cl2FN8O3
assistant