You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[(E)-amino-(4-methyl-3H-1,3-thiazol-2-ylidene)methyl]-N-pentan-2-ylpyrimidin-2-amine into its molecular formula.
user
C14H21N5S
assistant