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
a2b1
a2g8
a2f7
a2e6
a2d5
a2c4
a2b3
c3c2
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6
g5g4
d6e7
d6e5
d6d7
d6d5
d6c7
h6h5

## Board State Fen
8/8/3k3p/2n3p1/N2N4/2pB1PPP/b3K3/8 b - - 0 41
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
a2b1
a2g8
a2f7
a2e6
a2d5
a2c4
a2b3
c3c2
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6
g5g4
d6e7
d6e5
d6d7
d6d5
d6c7
h6h5

## Board State Fen
8/8/3k3p/2n3p1/N2N4/2pB1PPP/b3K3/8 b - - 0 41
assistant
c5a4