CC[C@H](C)[C@@H](C(=O)NCCCCCCCCCCC(=O)N1CCN(C(=O)OC(C)(C)C)CC1)n1cc(CCCCCNC(=O)OC(C)(C)C)nn1
Heavy atom refers to any atom that is not hydrogen. The heavy atoms in molecules are carbon, oxygen, nitrogen, and sulfur. How many heavy atoms are in the molecule?