You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6E)-6-[[4-(dimethylamino)phenyl]methylidene]-3-methyl-[1,3]thiazolo[2,3-c][1,2,4]triazol-5-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H14N4OS
assistant