COc1cccc(NC(=O)CC(=O)N2N=C(C)C(/N=N\c3ccc(S(=O)(=O)c4ccc(/N=N/C5C(=O)N(C(=O)CC(=O)Nc6cccc(OC)c6)N=C5C)cc4)cc3)C2=O)c1
Heavy atom refers to any atom that is not hydrogen. How many heavy atoms do the molecule have?