Cc1ccc(S(=O)(=O)N2C[C@@H]3CCCC[C@@H]3[C@@H](C)[C@H]2c2cn(Cc3ccccc3)c3ccccc23)cc1
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?