3-[(Z)-2-isocyanoethenyl]-1H-indole + (2E)-geranyl diphosphate = 3-geranyl-3-[(Z)-2-isocyanoethenyl]-1H-indole + diphosphate
3-[(z)-2-isocyanoethenyl]-1h-indole + (2e)-geranyl diphosphate = 3-geranyl-3-[(z)-2-isocyanoethenyl]-1h-indole + diphosphate