CCOC(=O)CCC(NC(=O)C(N)Cc1ccc(N(CCCl)CCCl)cc1)C(=O)OCC.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?