COc1ccc(N2C(=O)/C(=C/c3cc(C)n(-c4ccc(C)cn4)c3C)C(=O)NC2=S)c(OC)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?