CCOC(=O)C1=C(Nc2ccc(C)cc2)S/C(=C\c2cn(CC(=O)NCC3CCCO3)c3ccccc23)C1=O
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?