2 1 0 0 0 0 0 0 0 0999 V2000 28.1400 -16.9400 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 29.5400 -16.9400 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 0 0 0 M END