CC(=O)OCC(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(/C=N/N(C(C)=O)S(=O)(=O)c1ccc(/C=C2\NC(=O)NC2=O)cc1)OC(C)=O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?