Cc1cc(C)c(S(=O)(=O)N2CCN(c3nc4c(c(=O)n(C)c(=O)n4C)n3C)CC2)c(C)c1
Hydrogen bond acceptor: The atom, ion, or molecule component of a hydrogen bond which does not supply the bridging (shared) hydrogen atom. How many hydrogen bond acceptors does the molecule have?