CN1CCN(c2ccc3[nH]c(-c4ccc5[nH]c(CCCc6ccc(N(CCCl)CCCl)cc6)nc5c4)nc3c2)CC1.Cl
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?