Cc1cc2c(cc1-c1cc3c(cc1C)C(C(C)C)=C(O)C(=O)/C3=C\NCC1CCCN3CCCCC13)/C(=C/NCC1CCCN3CCCCC13)C(=O)C(O)=C2C(C)C
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?