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
a1a3
a1a2
e1b1
e1c1
e1d1
e1f1
e1e4
e1e3
e1e2
g1h1
g1f1
g2g4
g2g3
h2h4
h2h3
b3a5
b3c1
b3c5
b3d2
b3d4
c3c4
d3b1
d3c2
d3c4
d3f1
d3e2
d3g6
d3f5
d3e4
d3d1
d3d2
d3e3
d3d5
d3d4
f3g5
f3d2
f3d4
f3h4
a4a5
b5b6

## Board State Fen
1nr1k3/pp1qbp1p/4p1rp/1P1pP3/P7/1NPQ1N2/5PPP/R3R1K1 w - - 1 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
a1a3
a1a2
e1b1
e1c1
e1d1
e1f1
e1e4
e1e3
e1e2
g1h1
g1f1
g2g4
g2g3
h2h4
h2h3
b3a5
b3c1
b3c5
b3d2
b3d4
c3c4
d3b1
d3c2
d3c4
d3f1
d3e2
d3g6
d3f5
d3e4
d3d1
d3d2
d3e3
d3d5
d3d4
f3g5
f3d2
f3d4
f3h4
a4a5
b5b6

## Board State Fen
1nr1k3/pp1qbp1p/4p1rp/1P1pP3/P7/1NPQ1N2/5PPP/R3R1K1 w - - 1 19
assistant
d3e3