COc1cc(C(Nc2ccc(S(=O)(=O)N3CCC(C)CC3)cc2)C(=O)NCC2CCCO2)cc(OC)c1OC
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?