CC(C)(C)OC[C@H](NC(=O)OC(C)(C)C)c1nnc([C@H](CCC(=O)OC(C)(C)C)NC(=O)C2CCN(C(=O)OC(C)(C)C)CC2)o1
A negative logP value indicates preferential solubility in water and a positive value indicates an affinity for octanol. What is the negative logP of this molecule?