COc1ccc(/N=C(/[N-]n2c(=O)c(C)nn(C)c2=S)N(c2ccc(OC)cc2)c2n[n+]3c(=O)c(C)nn(C)c3s2)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?