COc1ccc(NS(=O)(=O)c2ccc(O)c(NC(=O)c3ccc(S(=O)(=O)N4CCCCCC4)cc3)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?