CC1C=C(OC(=O)c2ccccc2)C(=O)C(n2cc(F)c(=O)n(C(=O)c3ccccc3)c2=O)O1
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?