You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4S,7R,13S,14R,15R,16R)-4-[[(2R,5S)-5-[[(2R,7S)-7-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methylamino]benzoyl]amino]-7-carboxy-4-oxo-2-[3-oxo-3-[[(2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl]amino]propyl]heptanoyl]amino]-7-carboxy-4-oxo-2-[3-oxo-3-[[(2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl]amino]propyl]heptanoyl]amino]-7-[[(1R)-1-carboxy-2-[2-[2-[[(1R,9R,10S,11R,12R,19R)-12-ethyl-4-[(13R,17S)-17-ethyl-17-hydroxy-13-methoxycarbonyl-1-azatetracyclo[13.3.1.04,12.05,10]nonadeca-4(12),5,7,9-tetraen-13-yl]-10,11-dihydroxy-5-methoxy-8-methyl-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2,4,6,13-tetraene-10-carbonyl]amino]acetyl]oxyethyldisulfanyl]ethyl]carbamoyl]-13,14,15,16,17-pentahydroxy-5,10-dioxoheptadecanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C117H162N16O43S2
assistant