CC(C)NC(=O)OCc1c(COC(=O)NC(C)C)c(-c2ccc[n+](COC(=O)C(C)(C)C)c2)n2c1CCC2.[I-]
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?