CC[C@@H](C)[C@@H]1CN([C@@H](C)CN2CCC[C@H]2CN2C(N)=NC[C@H]2C(C)C)C(=N)N1CCc1ccc(Cl)c(Cl)c1
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?