O=C(O[C@@H](/C=C/c1ccccc1)P1(=O)N(Cc2ccccc2)[C@@H]2CCCC[C@H]2N1Cc1ccccc1)c1ccccc1
A negative log P value indicates preferential solubility in water and a positive value indicates an affinity for octanol. What is the negative log P of this molecule?