CCOc1ccc(/N=N/c2ccc3cc(/C(C)=N/NC(=O)/C(C#N)=C\c4ccc(N(CCC#N)CCC#N)cc4)c(=O)oc3c2)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?