CC(C)=CCCC1(C)C=Cc2c(O)c3c(c(CC=C(C)C)c2O1)OC12C(=CCCC1C(C)(C)O[C@@]2(C/C=C(\C)C(=O)O)C(=O)O)C3=O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?