You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (4S)-N-(1,3-benzothiazol-2-yl)-4-(3-methoxyphenyl)-2,7,7-trimethyl-5-oxo-1,4,6,8-tetrahydroquinoline-3-carboxamide ?
user
C27H27N3O3S
assistant