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
a1b1
d1c2
d1h5
d1g4
d1f3
d1e2
d1e1
f1e1
g1h2
g1h1
a2a4
a2a3
d2c4
d2e4
d2b1
d2f3
g2g4
g2g3
b3a4
b3c2
b3f7
b3e6
b3d5
b3c4
c3c4
d3e4
d3d4
h3h4

## Board State Fen
r1bq1rk1/pp3ppp/1bp2n2/4p3/4p3/1BPP3P/PP1N1PP1/R1BQ1RK1 w - - 0 12
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
a1b1
d1c2
d1h5
d1g4
d1f3
d1e2
d1e1
f1e1
g1h2
g1h1
a2a4
a2a3
d2c4
d2e4
d2b1
d2f3
g2g4
g2g3
b3a4
b3c2
b3f7
b3e6
b3d5
b3c4
c3c4
d3e4
d3d4
h3h4

## Board State Fen
r1bq1rk1/pp3ppp/1bp2n2/4p3/4p3/1BPP3P/PP1N1PP1/R1BQ1RK1 w - - 0 12
assistant
d3e4