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 4-benzyl-5-methylsulfanyl-2,4,6,7-tetrazatricyclo[7.6.0.03,7]pentadeca-1(9),2,5-trien-8-one ?
user
C19H22N4OS
assistant