CC1=C(NC(=O)/C(=N/NC(=S)NN)C2C(=O)CC(C)(C)CC2=O)C(=O)c2ccccc2C1=O
Hydrogen bond acceptor: The atom, ion, or molecule component of a hydrogen bond which does not supply the bridging (shared) hydrogen atom. How many hydrogen bond acceptors does the molecule have?