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
b4b3
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6
h5d1
h5e2
h5f3
h5g4
h5e8
h5f7
h5g6
d6e6
d6d7
d6c7
d6c6
h7h6

## Board State Fen
8/7p/3k1P2/2n4b/1p6/4N3/1B1K3P/8 b - - 0 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
b4b3
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6
h5d1
h5e2
h5f3
h5g4
h5e8
h5f7
h5g6
d6e6
d6d7
d6c7
d6c6
h7h6

## Board State Fen
8/7p/3k1P2/2n4b/1p6/4N3/1B1K3P/8 b - - 0 46
assistant
d6e6