Cc1c(NC(=O)c2cc3nc(-c4ccc(Cl)cc4)cc(C(F)(F)F)n3n2)c(=O)n(-c2ccccc2)n1C
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?