You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
S-[(2E)-2-[(4Z,8R,11S)-11-hydroxy-8-[4-hydroxy-5-(6-hydroxy-9H-pyrido[3,4-b]indole-1-carbonyl)-3-methoxy-6-methyl-5-methylsulfanyloxan-2-yl]oxy-14-(methoxycarbonylamino)-13-oxo-10-bicyclo[7.5.0]tetradeca-1(14),4-dien-2,6-diynylidene]ethyl] ethanethioate is the IUPAC name of a molecule. Please give its molecular formula.
user
C40H39N3O11S2
assistant