You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzhydryl 7-[[2-methoxyimino-2-[2-(tritylamino)-1,3-thiazol-4-yl]acetyl]amino]-3-[2-(5-methyl-1,3,4-thiadiazol-2-yl)-2-sulfanylideneethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C50H41N7O5S4
assistant