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
b1a3
b1d2
c1h6
c1g5
c1f4
c1e3
c1d2
f1d1
f1e1
g1h1
a2a4
a2a3
b2b4
b2b3
c2a4
c2b3
c2d1
c2h7
c2g6
c2f5
c2e4
c2d3
g2g4
g2g3
h2h4
h2h3
c3c4
f3e1
f3g5
f3d2
f3d4
f3h4
d5b3
d5c4
d5b7
d5c6
d5e4
d5f7
d5e6
d5c5
d5d1
d5d2
d5d3
d5d4
d5d7
d5d6
e5e6

## Board State Fen
r1bq1rk1/bpppnppp/p7/2nQP3/8/2P2N2/PPB2PPP/RNB2RK1 w - - 4 11
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
b1a3
b1d2
c1h6
c1g5
c1f4
c1e3
c1d2
f1d1
f1e1
g1h1
a2a4
a2a3
b2b4
b2b3
c2a4
c2b3
c2d1
c2h7
c2g6
c2f5
c2e4
c2d3
g2g4
g2g3
h2h4
h2h3
c3c4
f3e1
f3g5
f3d2
f3d4
f3h4
d5b3
d5c4
d5b7
d5c6
d5e4
d5f7
d5e6
d5c5
d5d1
d5d2
d5d3
d5d4
d5d7
d5d6
e5e6

## Board State Fen
r1bq1rk1/bpppnppp/p7/2nQP3/8/2P2N2/PPB2PPP/RNB2RK1 w - - 4 11
assistant
d5c4