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 (6S)-N-benzyl-5-[(4-methoxyphenyl)methyl]-6-methyl-4-oxo-2-thiophen-2-yl-7H-pyrazolo[1,5-a]pyrazine-6-carboxamide ?
user
C27H26N4O3S
assistant