CCC1CN2CCc3cc(OC)c(OC)cc3C2CC1CC1c2cc(OC)c(OC)cc2CCN1C(=O)CNC(=O)OC(C)(C)C
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?