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
c3d1
c3d5
c3a2
c3a4
c3e2
c3e4
e6e5
a7a5
a7a6
e7c5
e7d6
e7h4
e7g5
e7f6
e7f8
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
a8c8
a8b8
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
d8f8
d8e8
g8h8
g8f8

## Board State Fen
r2r2k1/p3bppp/4p3/1pP5/1P6/2n1PP2/4BKPP/R1B2R2 b - - 1 22
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
c3d1
c3d5
c3a2
c3a4
c3e2
c3e4
e6e5
a7a5
a7a6
e7c5
e7d6
e7h4
e7g5
e7f6
e7f8
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
a8c8
a8b8
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
d8f8
d8e8
g8h8
g8f8

## Board State Fen
r2r2k1/p3bppp/4p3/1pP5/1P6/2n1PP2/4BKPP/R1B2R2 b - - 1 22
assistant
a7a5