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 (2S)-2-(1-ethylpyrazol-4-yl)-4-[(1-methyl-3,4-dihydro-2H-quinolin-7-yl)sulfonyl]morpholine ?
user
C19H26N4O3S
assistant