CCOC(=O)c1c(N2CCOCC2)[nH]c(=O)c(C(c2ccc(OC)cc2)c2c(O)c(C(=O)OCC)c(N3CCOCC3)[nH]c2=O)c1O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?