CC(C)(C)OC(=O)N1CCCC1C(=O)NCCNc1ccc(NCCNC(=O)C2CCCN2C(=O)OC(C)(C)C)c2c1C(=O)c1ccccc1C2=O
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?