Cc1cccc(N2C(=O)/C(=C\Nc3c(C)n(C)n(-c4ccccc4)c3=O)c3ccccc3C2=O)n1
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?