COc1ccc(/C=C2\N=C(c3ccccc3)N(Nc3nnc(NN4C(=O)/C(=C/c5ccc(OC)cc5)N=C4c4ccccc4)c4ccccc34)C2=O)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?