You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[5-(3-bromothiophen-2-yl)-4-(2-methylpropyl)-1,2,4-triazol-3-yl]sulfanyl]acetic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H14BrN3O2S2
assistant