Cc1c(-n2c(SCC(=O)N(C)C3CCS(=O)(=O)C3)nc3ccccc3c2=O)c(=O)n(-c2ccccc2)n1C
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?