COc1ccc2[nH]c3c(c2c1)CCN1C(=O)C(CC(=O)NCCCn2ccnc2)C[C@H](C(=O)N2CCCCC2)[C@@]31CCc1ccccc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?