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
b2a1
b2a3
b2c3
h1g1
h1h3
h1h2
f1d3
f1e2
f1h3
f1g2
c1e1
c1d1
c1c3
c1c2
b1c2
b1a2
c4c5
d4c3
d4a7
d4b6
d4c5
d4g1
d4f2
d4e3
d4f6
d4e5
d4d1
d4d2
d4d3
d4e4
d4d7
d4d6
d4d5
f4e2
f4e6
f4g2
f4g6
f4d3
f4d5
f4h3
f4h5
g4g5
h4h5
b5b6

## Board State Fen
1r1q1rk1/3b1ppp/5n2/1P6/p1PQ1NPP/1n3P2/1B6/1KR2B1R w - - 1 26
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
b2a1
b2a3
b2c3
h1g1
h1h3
h1h2
f1d3
f1e2
f1h3
f1g2
c1e1
c1d1
c1c3
c1c2
b1c2
b1a2
c4c5
d4c3
d4a7
d4b6
d4c5
d4g1
d4f2
d4e3
d4f6
d4e5
d4d1
d4d2
d4d3
d4e4
d4d7
d4d6
d4d5
f4e2
f4e6
f4g2
f4g6
f4d3
f4d5
f4h3
f4h5
g4g5
h4h5
b5b6

## Board State Fen
1r1q1rk1/3b1ppp/5n2/1P6/p1PQ1NPP/1n3P2/1B6/1KR2B1R w - - 1 26
assistant
d4c3