CCCN1C(=O)/C(=C2\SC(=S)N(c3c(C)n(C)n(-c4ccccc4)c3=O)C2=O)c2ccccc21
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?