COc1ccc(NC(=O)Nc2ccc3c(c2)C(=O)N([C@@H](C)CO)C[C@@H](C)[C@@H](CN(C)S(=O)(=O)c2cn(C)cn2)O3)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?