CCCCCCNC(=O)O[C@H]1CN(C(=O)OC(C)C)N(C(=O)OC(C)C)[C@@H]2CN(S(=O)(=O)c3ccc(C)cc3)C[C@]12O
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?