CC(C)(C)OC(=O)N1CCC(c2c(C(=O)N3CCN(c4ncccn4)CC3)cnn2-c2cccc(F)c2)CC1
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?