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