You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (1R)-1-imidazo[2,1-b][1,3]thiazol-6-yl-N-[[2-(2-methylprop-2-enoxy)phenyl]methyl]ethanamine .
user
C18H21N3OS
assistant