You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[4-bromo-1-(cyclopropylmethyl)benzotriazol-5-yl]oxymethyl]-1,3-oxazolidin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H15BrN4O3
assistant