CN(C)C1C(=O)C(C(N)=O)=C(O)C2(O)C(O)=C3C(=O)c4c(O)cccc4C(C)(O)C3CC12.CS(=O)(=O)O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?