CC(C)(C)[C@H]1C=C(C(=O)N2CCN(Cc3ccc4c(c3)OCO4)CC2)O[C@@H](OCCCCO)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?