You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N'-[3-[2-[2-[3-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]propoxy]ethoxy]ethoxy]propyl]-N-[4-[[(E)-4-[3-[[6-(3-chloro-4-fluorophenoxy)pyrimidin-4-yl]amino]anilino]-4-oxobut-2-enyl]-methylamino]butyl]pentanediamide .
user
C50H70ClFN10O9S
assistant