O=C(Cn1cc(S(=O)(=O)N2CCN(c3ccccc3F)CC2)c2ccccc2c1=O)Nc1ccc(F)cc1Cl
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?