Cc1ccc(S(=O)(=O)CN2C(=O)C(c3ccccc3)(c3ccccc3)C23OC(c2ccc(Cl)cc2)=CC3=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?