CCN(CC)C(=O)c1sc2c(c1C)c(=O)n(Cc1ccccc1)c(=O)n2Cc1c(C)cc(C)cc1C
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?