C/C(=N/NC(=O)c1ccccc1S(N)(=O)=O)C(CN1CCCCC1)C(C1=C(O)C2C=CC=CC2OC1=O)c1ccccc1.Cl
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?