You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[[5-(5-bromothiophen-2-yl)-1,3,4-oxadiazol-2-yl]methylsulfanyl]-4-methyl-1,3-thiazol-5-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H11BrN4O2S3
assistant