COC(=O)C1C(O)C(C)C(O)C(C)(O)C=C(C)C2=C3C(=C(C)C(=O)c4c(O)c(c(C)c(OC(C)=O)c43)NC(=O)C(C)=C/C=C\C(C)(O)C(O)C(C)C1O)OCO2
All atoms other than hydrogen are referred to be heavy atoms. How many heavy atoms are there in the molecule?