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 oxidanium;sodium;4-amino-N-ethylbenzamide;4-azido-N-ethylbenzamide;(2,5-dioxo-3-sulfinatopyrrolidin-1-yl) 4-azidobenzenecarboximidate;ethanamine .
user
C31H40N12NaO8S+
assistant