You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[[[4-[[(2-boronophenyl)methyl-[[3-[(6E)-2-[(E)-2-(3,3-dimethyl-1-propylindol-1-ium-2-yl)ethenyl]-6-[(2E)-2-(3,3-dimethyl-1-propylindol-2-ylidene)ethylidene]cyclohexen-1-yl]oxyphenyl]methyl]amino]methyl]phenyl]methyl-[3-(2-methylprop-2-enoylamino)propyl]amino]methyl]phenyl]boronic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C72H86B2N5O6+
assistant