COC(=O)c1c(C)ccc2c(O)c3c(cc12)C(=O)c1c2c(cc(O)c1C3=O)[C@@]1(C)O[C@@](C)(O2)[C@@H](O)[C@H](N(C)C)[C@H]1O
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?