You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(2E)-5,6-dichloro-2-[(2Z,4E)-3-cyano-5-[3-(2-formyloxyethyl)-8-methoxy-1,1-dimethylbenzo[e]indol-3-ium-2-yl]penta-2,4-dienylidene]-3,3-dimethylindol-1-yl]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C37H36Cl2N3O5+
assistant