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 benzyl(9-oxa-3-thia-14-azatricyclo[8.4.0.02,6]tetradeca-1(10),2(6),4,11,13-pentaen-4-yl)carbamic acid ?
user
C19H16N2O3S
assistant