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 1-[2-[(E)-but-2-en-2-yl]sulfanylphenyl]-1-(7-chlorocyclohepta-1,4,6-trien-1-yl)-N-methylmethanimine .
user
C19H20ClNS
assistant