You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
boric acid;[(1S,2R,3S,4S,6R,7R,8R,14R)-4-ethenyl-3-hydroxy-2,4,7,14-tetramethyl-9-oxo-6-tricyclo[5.4.3.01,8]tetradecanyl] 2-[1-[[(2R)-2-amino-3-methylbutanoyl]amino]-2-methylpropan-2-yl]sulfanylacetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H55BN2O8S
assistant