You are an expert in photocatalysis. For the following 3D structure, what is its reduction potential for V(III)/V(II) conversion measured against SCE? Please answer in a single float number.
69

V          1.19240        4.29440        6.34950
N          2.77100        5.46180        7.08790
N          1.12930        3.45960        8.29320
N         -0.04200        5.80070        7.14850
C          3.85920        5.66600        6.32340
H          3.91840        5.21350        5.49030
C          4.89290        6.50100        6.69250
H          5.65100        6.62150        6.13260
C          4.78850        7.15570        7.90290
H          5.47590        7.74820        8.18370
C          3.68030        6.94820        8.70840
H          3.60740        7.39330        9.54450
C          2.67380        6.08320        8.28560
C          1.42960        5.77270        9.14140
C          1.54340        6.48940       10.48880
H          1.57410        7.45790       10.34210
H          0.76650        6.26750       11.04350
C          1.33470        4.24470        9.37350
C          1.45750        3.68060       10.64120
H          1.63710        4.23380       11.39220
C          1.31730        2.31060       10.80610
H          1.39620        1.92150       11.66910
C          1.06230        1.51720        9.70570
H          0.94150        0.57930        9.79610
C          0.98810        2.12760        8.47110
H          0.83000        1.58450        7.70790
C          0.16560        6.26760        8.40250
C         -0.72030        7.18010        8.96280
H         -0.59760        7.47660        9.85690
C         -1.78560        7.65630        8.21030
H         -2.38880        8.28740        8.58490
C         -1.96660        7.20950        6.91310
H         -2.67340        7.54210        6.37220
C         -1.08780        6.26790        6.43560
H         -1.22320        5.92860        5.55870
N         -0.38630        3.12700        5.61100
N          1.25550        5.12920        4.40580
N          2.42670        2.78810        5.55050
C         -1.47450        2.92280        6.37550
H         -1.53370        3.37530        7.20870
C         -2.50820        2.08780        6.00650
H         -3.26630        1.96730        6.56630
C         -2.40380        1.43310        4.79600
H         -3.09120        0.84050        4.51530
C         -1.29560        1.64050        3.99050
H         -1.22270        1.19540        3.15440
C         -0.28910        2.50560        4.41340
C          0.95510        2.81600        3.55760
C          0.84130        2.09940        2.21010
H          0.81060        1.13090        2.35690
H          1.61820        2.32120        1.65550
C          1.05000        4.34400        3.32550
C          0.92720        4.90810        2.05770
H          0.74770        4.35500        1.30670
C          1.06740        6.27820        1.89290
H          0.98850        6.66730        1.02990
C          1.32240        7.07150        2.99330
H          1.44320        8.00950        2.90290
C          1.39660        6.46120        4.22790
H          1.55470        7.00430        4.99110
C          2.21910        2.32120        4.29640
C          3.10500        1.40870        3.73620
H          2.98230        1.11220        2.84200
C          4.17030        0.93240        4.48870
H          4.77350        0.30130        4.11410
C          4.35130        1.37920        5.78590
H          5.05810        1.04670        6.32670
C          3.47250        2.32080        6.26340
H          3.60790        2.66020        7.14020


Answer: -0.93