C=C(C(=O)OC1C(CO)OC(OCC2CC[C@@H]3C[C@]4(OC(=O)C3=C)C(C)=CC(=O)C24)C(O)C1O)[C@@H]1CCC(CO)C2C(=O)C=C(C)[C@@]2(O)C1
The electronegative atoms usually involved in hydrogen bonding are oxygen, nitrogen and fluorine. How many hydrogen bond acceptors does the molecule contain?