COc1ccc(C[C@H](N)C(=O)N2C[C@@H](CO)C[C@@H](n3cnc4c(N(C)C)ncnc43)C2)cc1
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?