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
a1d1
a1c1
a1b1
e1b1
e1c1
e1d1
e1f1
g1h1
g1f1
a2a4
a2a3
d2c1
d2a5
d2b4
d2c3
d2g5
d2f4
d2e3
e2f4
e2c1
e2c3
e2g3
g2g4
g2g3
b3a4
b3d1
b3c2
b3d5
b3c4
f3e5
f3g5
f3h2
f3h4
h3h4
b5a4
b5a6
b5d3
b5c4
b5e8
b5d7
b5c6
b5a5
b5b4
b5d5
b5c5
b5b6

## Board State Fen
r1br2nk/4n1bp/1p1q1p2/pQ1p2p1/3P4/1B3N1P/PP1BNPP1/R3R1K1 w - a6 0 19
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
a1d1
a1c1
a1b1
e1b1
e1c1
e1d1
e1f1
g1h1
g1f1
a2a4
a2a3
d2c1
d2a5
d2b4
d2c3
d2g5
d2f4
d2e3
e2f4
e2c1
e2c3
e2g3
g2g4
g2g3
b3a4
b3d1
b3c2
b3d5
b3c4
f3e5
f3g5
f3h2
f3h4
h3h4
b5a4
b5a6
b5d3
b5c4
b5e8
b5d7
b5c6
b5a5
b5b4
b5d5
b5c5
b5b6

## Board State Fen
r1br2nk/4n1bp/1p1q1p2/pQ1p2p1/3P4/1B3N1P/PP1BNPP1/R3R1K1 w - a6 0 19
assistant
b3c2