O=C(N1CCc2ccc(S(=O)(=O)N3CCN(S(=O)(=O)c4ccc5c(c4)OCCO5)CC3)cc2C1)C(F)(F)F
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?