O=C(Nc1ccc(N2C(=O)c3cccc4cccc(c34)C2=O)cc1)c1ccc(N2CCCCC2)c([N+](=O)[O-])c1
A molecule with higher negative logP is water-soluble, while a molecule with lower negative logP is liposoluble. What is the negative logP of this molecule?