draw metronidazole and

- circle a tetrahedral (sp3-hybridized) carbon in ORANGE, both in the stick drawing and in the 3D drawing. - circle a planar, sp2-hybridized carbon in GREEN, both in the stick drawing and in the 3D drawing. - circle any nonpolar part of the molecule in BLUE, both in the stick drawing and in the 3D drawing. - circle any polar part of the molecule in RED, both in the stick drawing and in the 3D drawing