You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-chloro-11-methyl-3-oxa-11-azatricyclo[6.4.1.04,13]trideca-1,4,6,8(13)-tetraene-2-carboxylate into its molecular formula.
user
C13H11ClNO3-
assistant