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 [(3R,4R,6S)-3-hydroxy-4,5-dimethyl-6-[(E,2S,3R,4R)-4-methyl-2-(pentacosa-1,3,5,7,9,11,13,15,17,19,21,23-dodecaynoxymethylamino)-3-phenylmethoxyoctadec-6-enoxy]oxan-2-yl]methyl 4-methylbenzenesulfonate .
user
C67H69NO8S
assistant