You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [2-[4-amino-2-(carbamimidoylsulfanylmethyl)phenyl]sulfanylphenyl]methyl carbamimidothioate;trihydrobromide into molecular formula.
user
C16H22Br3N5S3
assistant