You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(5,6-dihydroimidazo[2,1-c][1,2,4]dithiazol-3-ylidene)-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide into its molecular formula.
user
C15H12N4O2S2
assistant