C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)[C@H](C)n3cc(CCC(=O)O)nn3)CC2)nc(N2CCN(C(=O)[C@H]([C@@H](C)CC)n3cc(CCCCN)nn3)CC2)n1.Cl
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?