Convert the IUPAC name of a molecule (2Z,5S)-2-[[2-(4-chlorophenyl)sulfanyl-5-nitrophenyl]methylidene]-N,N-diethyl-5-(2-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide into molecular formula.