You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [2-[5-(2-acetamidoethyl)thiophen-2-yl]-2-oxoethyl] 4-oxo-3-phenylphthalazine-1-carboxylate ?
user
C25H21N3O5S
assistant