CC(=O)N/C(=C\c1ccc(Cc2nc3c([nH]2)C(=O)c2ccccc2C3=O)cc1)c1nc2c([nH]1)C(=O)c1ccccc1C2=O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?