You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9H-fluoren-9-ylmethyl N-[(2R)-1-[[(1S,2R,18R,19R,22S,25R,28R,40S)-40-(2-adamantylcarbamoyl)-5-chloro-22-[2-(cyclopropylcarbamoylamino)-2-oxoethyl]-48-[(2S,3R,4S,5S,6R)-3-[(2S,4S,5S,6S)-4-(9H-fluoren-9-ylmethoxycarbonylamino)-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,18,32,35,37-pentahydroxy-15-methyl-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8,10,12(48),14,16,29(45),30,32,34(39),35,37,46,49-pentadecaen-19-yl]amino]-4-methyl-1-oxopentan-2-yl]-N-methylcarbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C111H118ClN11O28
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