COc1cc(/C=C2/C(=O)N(C(=O)OCC(C)C)C(Cc3cc(OC)c(OC)c(C)c3OC)C(=O)N2Cc2ccccc2)c(OC)c(C)c1OC
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?