Cc1cccc(N2CCN(C(=O)C3CCN(S(=O)(=O)c4c(C)noc4/C=C/c4ccccc4F)CC3)CC2C)c1
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?