You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
14-chloro-1'-(quinoline-2-carbonyl)spiro[2-oxa-10-azabicyclo[10.4.0]hexadeca-1(12),13,15-triene-8,4'-piperidine]-11-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H30ClN3O3
assistant