CCOC(=O)C(Cc1ccc(NC(=O)/C(=C/c2ccc(OC(C)=O)cc2)NC(C)=O)cc1)N1C(=O)c2ccccc2C1=O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?