You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[4-[[(5S,8aS)-7-[(2-amino-1,3-benzothiazol-4-yl)methyl]-1-[(3,4-dichlorocyclohexa-1,5-dien-1-yl)methylcarbamoyl-propylamino]-3,6-dioxo-2,5,8,8a-tetrahydroimidazo[1,2-a]pyrazin-5-yl]methyl]phenyl]naphthalene-1-carboxamide ?
user
C43H42Cl2N8O4S
assistant