C[C@H]1CN([C@H](C)CO)C(=O)c2cc(NS(=O)(=O)c3ccccc3)ccc2O[C@H](C)CCCCO[C@H]1CN(C)Cc1ccc2c(c1)OCO2
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?