You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (10,19-diethyl-7-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-19-yl) [3-methyl-2-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[[[4-[(3-methyl-2,5-dioxopyrrolidin-1-yl)methyl]cyclohexanecarbonyl]amino]methyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-2-oxoethoxy]-3-oxobutyl]amino]butyl] carbonate into molecular formula.
user
C68H97N9O21
assistant