Cn1c(=O)c(C(=O)COC(=O)c2cc(C(F)(F)F)nc3ccccc23)c(N)n(Cc2ccccc2)c1=O
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?