Cc1cccc(N(CC(=O)NC2CCCC2)C(=O)C[S+]([O-])CC(=O)Nc2ccc3c(c2)OCO3)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?