CC(C)C(NC(=O)OC(C)(C)C)C(=O)N(C)C(Cc1ccccc1)C(=O)N(C)C(C(=O)N(C)C(C(=O)O)C(C)C)C(C)C
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?