Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
b3a3
b3b1
b3b2
b3f3
b3e3
b3d3
b3c3
b3b4
c6c5
f6f5
g6h7
g6h6
g6h5
g6g7
g6g5
g6f7
b7b5
b7b6

## Board State Fen
8/1p6/p1p2pk1/P7/1N1PP3/1r3R2/4K3/8 b - - 2 46
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
b3a3
b3b1
b3b2
b3f3
b3e3
b3d3
b3c3
b3b4
c6c5
f6f5
g6h7
g6h6
g6h5
g6g7
g6g5
g6f7
b7b5
b7b6

## Board State Fen
8/1p6/p1p2pk1/P7/1N1PP3/1r3R2/4K3/8 b - - 2 46
assistant
b3b4