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
d1b1
d1c1
d1f1
d1e1
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
g1h1
g1f1
a2a4
a2a3
c2b1
c2d3
c2b2
c2c1
c2d2
c2c3
e2e3
g2f1
g2h1
g2h3
h2h4
h2h3
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
g3g4
c4c5
e4d2
e4d6
e4f6
e4c3
e4c5
e4g5
a1c1
a1b1

## Board State Fen
2r2rk1/3pqpp1/bpn1p2p/p7/1bP1N3/1P3NP1/P1Q1PPBP/R2R2K1 w - - 6 16
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
d1b1
d1c1
d1f1
d1e1
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
g1h1
g1f1
a2a4
a2a3
c2b1
c2d3
c2b2
c2c1
c2d2
c2c3
e2e3
g2f1
g2h1
g2h3
h2h4
h2h3
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
g3g4
c4c5
e4d2
e4d6
e4f6
e4c3
e4c5
e4g5
a1c1
a1b1

## Board State Fen
2r2rk1/3pqpp1/bpn1p2p/p7/1bP1N3/1P3NP1/P1Q1PPBP/R2R2K1 w - - 6 16
assistant
e4d2