COc1ccc2nc3cc(Cl)ccc3c(NCCCCCC(=O)NC(COc3cnc4c(ccc5cccnc54)c3)COc3cnc4c(ccc5cccnc54)c3)c2c1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?