CC(C)CCNC(=O)C(Cc1ccccc1)NS(=O)(=O)c1ccc2c(c1)c(=O)n(C)c(=O)n2C
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?