Cc1noc(C)c1NC(=O)Nc1cccc2c1O[C@H](CN(C)S(C)(=O)=O)[C@@H](C)CN([C@H](C)CO)C2=O
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?