CCCOc1ccc(S(=O)(=O)N2CCN(CC)CC2)cc1-c1nc2c(CC)n(Cc3ccccn3)nc2c(=O)[nH]1
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?