CN(C)c1ccc(/C=C/C=C\c2cc(/C=C/C=C/c3ccc(N(C)C)cc3)[s+]c3ccccc23)cc1.[O-][Cl+3]([O-])([O-])[O-]
The electronegative atoms usually involved in hydrogen bonding are oxygen, nitrogen and fluorine. How many hydrogen bond acceptors does the molecule contain?