COC1/C=C\OC2(C)Oc3c(C)c(O)c4c(O)c(c(/C=N/N5CCN(N)CC5)c(O)c4c3C2=O)NC(=O)C(C)=C/C=C\C(C)C(O)C(C)C(O)C(C)C(OC(C)=O)C1C
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?