18 20 0 0 0 0 0 0 0 0999 V2000 17.9900 -18.9700 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 17.9900 -20.3700 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 19.1800 -21.0700 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 20.4400 -20.3700 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 20.4400 -18.9700 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 19.1800 -18.2700 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 21.7700 -20.7900 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 22.5400 -19.6700 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 21.7700 -18.5500 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0 23.9400 -19.6700 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 21.7700 -22.1900 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 22.9600 -22.8900 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 22.9600 -24.2900 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 21.7000 -24.9900 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 24.2900 -22.4700 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0 25.1300 -23.5900 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 24.2900 -24.7100 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 26.5300 -23.5900 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 0 0 2 3 1 0 0 0 3 4 2 0 0 0 4 5 1 0 0 0 5 6 2 0 0 0 1 6 1 0 0 0 4 7 1 0 0 0 7 8 1 0 0 0 8 9 1 0 0 0 5 9 1 0 0 0 8 10 2 0 0 0 7 11 2 0 0 0 11 12 1 0 0 0 12 13 2 0 0 0 13 14 1 0 0 0 12 15 1 0 0 0 15 16 1 0 0 0 16 17 2 0 0 0 13 17 1 0 0 0 16 18 1 0 0 0 M END