COc1ccc(S(=O)(=O)N(C)[C@H]2C[C@H]3c4cc(Oc5ccccc5C)ccc4CCN3C(=O)[C@H]2[C@H](C)O)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?