Cc1cc(C)nc(NS(=O)(=O)c2ccc(Nc3c4ccccc4nc4ccc(C(=O)Nc5ccc(S(=O)(=O)N=C(N)N)cc5)cc34)cc2)n1
The electronegative atoms usually involved in hydrogen bonding are oxygen, nitrogen and fluorine. How many hydrogen bond acceptors does the molecule contain?