Cc1ccc(C)c(N2N=C(C(=O)NCCN3C(=O)S/C(=C\c4cccnc4)C3=O)CCC2=O)c1
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?