You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule (2S,3S,4S,5R,6S)-6-[4-[[6-[[(1R,4S,8R,10S,13S,16S,34S)-4-(2-amino-2-oxoethyl)-34-[(2S)-butan-2-yl]-13-[(2R,3R)-3,4-dihydroxybutan-2-yl]-8-hydroxy-2,5,11,14,27,30,33,36,39-nonaoxo-27lambda4-thia-3,6,12,15,25,29,32,35,38-nonazapentacyclo[14.12.11.06,10.018,26.019,24]nonatriaconta-18(26),19(24),20,22-tetraen-22-yl]oxy]hexyl-methylcarbamoyl]oxymethyl]-2-[2-[2-[2-[(Z)-ethylideneamino]oxyethoxy]ethoxy]ethylcarbamoyl]phenoxy]-3,4,5-trihydroxyoxane-2-carboxylic acid ?
user
C69H99N13O27S
assistant