You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance diethyl 5-[(2Z)-2-(1-amino-2-ethoxy-2-oxoethylidene)hydrazinyl]-3-methylthiophene-2,4-dicarboxylate .
user
C15H21N3O6S
assistant