WURCS=2.0/7,12,12/[a2122h-1x_1-5_2*NCC/3=O][a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5][a2112h-1b_1-5][a1221m-1a_1-5][Aad21122h-2a_2-6_5*NCC/3=O]/1-2-3-4-2-5-4-4-4-4-6-7/a4-b1_a6-k1_b4-c1_c3-d1_c6-g1_d2-e1_e4-f1_g3-h1_g6-i1_i2-j1_l2-a3|b3|c3|d3|e3|f3|g3|h3|i3|j3|k3}_a?|b?|c?|d?|e?|f?|g?|h?|i?|j?|k?}*OPO/3O/3=O