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
c3b1
c3b5
c3d1
c3d5
c3a2
c3a4
c3e2
c3e4
a3a1
a3a2
a3b3
a3a8
a3a7
a3a6
a3a5
a3a4
e5d4
e5g3
e5f4
e5h8
e5g7
e5f6
d6d5
g6g5
e7e6
h7h5
h7h6
b8a8
b8b4
b8b5
b8b6
b8b7
b8f8
b8e8
b8d8
b8c8
g8h8
g8g7
g8f8
g8f7

## Board State Fen
1r4k1/4p2p/3p2p1/4b3/1PP1P3/r1n1BBP1/7P/2R1R2K b - - 6 37
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
c3b1
c3b5
c3d1
c3d5
c3a2
c3a4
c3e2
c3e4
a3a1
a3a2
a3b3
a3a8
a3a7
a3a6
a3a5
a3a4
e5d4
e5g3
e5f4
e5h8
e5g7
e5f6
d6d5
g6g5
e7e6
h7h5
h7h6
b8a8
b8b4
b8b5
b8b6
b8b7
b8f8
b8e8
b8d8
b8c8
g8h8
g8g7
g8f8
g8f7

## Board State Fen
1r4k1/4p2p/3p2p1/4b3/1PP1P3/r1n1BBP1/7P/2R1R2K b - - 6 37
assistant
c3a2