Cc1ccc(S(=O)(=O)N/N=C(/CC(=O)c2c(C)[n+]([O-])c3ccccc3[n+]2[O-])C(=O)Nc2ccccc2C)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?