CCCC/N=C/[C@]12CCC(O)CC1(O)CCC1[C@@H]2CC[C@]2(C)[C@H](C3C=CC(=O)O3)CCC12O
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?