You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3,4-bis(ethenyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;2-(2-bromophenyl)ethynyl-trimethyl-lambda4-sulfane is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H34BBrO2S
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