How do you defeat Gym Leader Clair with these Pokemon?

Question for Pokemon Soul Silver

How do you defeat Gym Leader Clair with these Pokemon?:

Feraligatr lv. 39 Whirlpool, Surf, Crunch, Slash HP: 127 Atk: 108 Def: 80 Sp. Atk: 75 Sp. Def: 79 Speed: 80 Male Ability: Torrent Exp. 56239 Next lv. 421 Lonely Nature Holding X Attack

Suicune lv. 42 Sheer Cold, ExtremeSpeed, Air Slash, Aqua Ring HP: 147 Atk: 75 Def: 126 Sp. Atk: 94 Sp. Def: 113 Speed 78 Ability: Pressure Exp. 92663 Next lv. 6720 Traded(event) Relaxed Nature Fateful Encounter

Fearow lv. 27 Fly, Pursuit, Mirror Move, Aerial Ace HP: 79 Atk: 52 Def: 40 Sp. Atk: 46 Sp. Def: 45 Speed: 68 Male Ability: Keen Eye Exp. 20788 Next lv. 1164 Timid Nature

Furret lv. 31 Scratch, Foresight, Slam, Quick Attack HP: 98 Atk: 63 Def: 48 Sp. Atk: 41 Sp. Def: 41 Speed: 65 Male Ability: Keen Eye Exp. 31407 Next lv. 1361 Bashful Nature Holding X Accuracy

Raticate lv. 25 Hyper Fang, Sucker Punch, Strength, Crunch HP: 68 Atk: 49 Def: 36 Sp. Atk: 30 Sp. Def: 47 Speed: 54 Female Ability: Guts Exp. 15676 Next lv. 1900 Gentle Nature

Nidoqueen lv. 29 Double Kick, Rock Smash, Cut, Bite HP: 93 Atk: 58 Def: 70 Sp. Atk: 54 Sp. Def: 58 Speed: 45 Ability: Rivalry Exp. 21270 Next lv. 490 Relaxed Nature