You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-amino-3-[2-oxo-2-[[(1R,3S,5S,10R,13R,14S,17R)-1,5,11,14-tetrahydroxy-10-(hydroxymethyl)-13-methyl-17-(5-oxo-2H-furan-3-yl)-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]ethyl]sulfanylpropanoic acid;technetium-99 is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H41NO11STc
assistant