People v. Guy, 107 Cal.App.3d 593, 601, 165 Cal.Rptr. 463 (1980) (knowledge of the character of a controlled substance means that the defendant knew it was a controlled substance, but s/he need not have known its precise chemical composition); CALCRIM 2300, p. 204 (Spring 2008) ("The People do not need to prove that the defendant knew which specific controlled substance (he/she) (sold/ furnished/ administered/ gave away/ transported/ imported), only that (he/she) was aware of the substance's presence and that it was a controlled substance.").