CC(C)[C@@H]1NC(=O)c2cc([N+](=O)[O-])cc(I)c2OCC[C@@H](C(N)=O)NC(=O)[C@H](CCC(=O)O)NC1=O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?