You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy]ethyl]pyrrolidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H28BNO3
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