You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule sodium;N-[4-[dihydroxy(oxo)-lambda6-sulfanylidene]cyclohexa-2,5-dien-1-ylidene]-2-[(4-nitrophenyl)methyl]-3-sulfanylpropanamide .
user
C16H16N2NaO6S2+
assistant