N=c1c2c(=S)n(-c3ccccc3)c(=S)n(-c3ccccc3)c2nc(SCCCN2CCN(c3cccc(Cl)c3)CC2)n1-c1ccccc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?