You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[2-[(3-methyl-1,2-oxazol-5-yl)amino]-2-oxoethyl]sulfanylthiophene-2-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C11H10N2O4S2
assistant