You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 5-[(1E,3Z,4Z)-7-methyl-3-[1-(methylamino)ethylidene]octa-1,4,6-trienyl]-N-pyridin-2-yl-1,3-thiazol-2-amine .
user
C20H24N4S
assistant