CCCC(=O)N[C@@H](Cc1cc(I)c(O)c(I)c1)C(=O)NCCCNCCCCNCCCNC(=O)[C@@H](N)CCCN=C(N)N.O=C(O)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?