CC(=O)Nc1cccc(N(C(=O)C2COc3ccccc3O2)C(C(=O)NC2CCCCC2)c2cn(C)nc2C)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?