You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 3-[[2-[2-[3-[2-[3-[[3-[2-[bis[3-[2-[2-hydroxyethyl-[2-[[3-(2-hydroxyethylamino)-3-oxopropyl]amino]acetyl]amino]ethylamino]-3-oxopropyl]amino]ethylamino]-3-oxopropyl]-[(4-sulfanylphenyl)methyl]amino]propanoylamino]ethyl-[3-[2-[2-hydroxyethyl-[2-[[3-(2-hydroxyethylamino)-3-oxopropyl]amino]acetyl]amino]ethylamino]-3-oxopropyl]amino]propanoylamino]ethyl-(2-hydroxyethyl)amino]-2-oxoethyl]amino]-N-(2-hydroxyethyl)propanamide is given. What is its corresponding molecular formula?
user
C73H133N21O22S
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