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
d1b3
d1c2
d1e2
d1d2
e1f1
e1e3
e1e2
c1h6
c1g5
c1f4
c1e3
c1d2
a1b1
g1h1
g1f1
a2b1
a2b3
b2b3
g2g4
g2g3
h2h4
h2h3
d3d4
f3e5
f3g5
f3d2
f3d4
f3h4
a4a5
c4b6
c4d2
c4d6
c4a3
c4a5
c4e3
c4e5

## Board State Fen
1rbq1rk1/4bppp/p1np1n2/4p3/PpN1P3/3P1N2/BP3PPP/R1BQR1K1 w - - 4 15
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
d1b3
d1c2
d1e2
d1d2
e1f1
e1e3
e1e2
c1h6
c1g5
c1f4
c1e3
c1d2
a1b1
g1h1
g1f1
a2b1
a2b3
b2b3
g2g4
g2g3
h2h4
h2h3
d3d4
f3e5
f3g5
f3d2
f3d4
f3h4
a4a5
c4b6
c4d2
c4d6
c4a3
c4a5
c4e3
c4e5

## Board State Fen
1rbq1rk1/4bppp/p1np1n2/4p3/PpN1P3/3P1N2/BP3PPP/R1BQR1K1 w - - 4 15
assistant
c4e3