CN(C)c1ccc(C2C(Cl)C(=O)N2NC(=O)c2c(Cl)c(Cl)c(Cl)c(Cl)c2-c2nc3ccccc3[nH]2)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?