Cc1cc(C)c(NC(=O)Cn2c(=O)n(Cc3ccc4c(c3)OCO4)c(=O)c3ccc(C(=O)NC4CCCCC4)cc32)c(C)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?