O=C1[C@H]2[C@@H](C(=O)N1c1ccccc1)[C@@H](/C=C/c1ccccc1)N1C(=O)CN(Cc3ccccn3)C(=O)[C@@]21Cc1ccccc1
All atoms other than hydrogen are referred to be heavy atoms. How many heavy atoms are there in the molecule?