CC(=O)OCC1OC(c2c(OC(C)=O)cc(C)c3c(=O)cc(/C(C(C)=O)=C(\C)O)oc23)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?