C=C1C(=O)OC2/C=C(\C)C3OC3/C=C(/C(=O)OC)C(OC(C)=O)C(OC(=O)C(C)(O)C(C)OC(C)=O)C12
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?