COC(=O)/C=C(\S/C=C(/c1ccccc1)N1CCn2c(C(=O)c3ccccc3)c(C(=O)OC)c(C(=O)OC)c21)C(=O)OC
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?