C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=C/C(=N/CCOC(=O)c5cccc6cc7ccccc7nc56)CC[C@@H]4[C@H]3CC[C@@]21C
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?