CCc1ccc(-n2c(=O)c3c(C)c(C(=O)N(C)C)sc3n(CC(=O)NCC3CCCO3)c2=O)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?