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
a2a3
f1e1
g1h1
d1e2
d1e1
a1b1
b2b4
b2b3
c2c4
c2c3
d2c4
d2b1
d2b3
g2h1
g2h3
h2h4
h2h3
d3d4
f3e1
f3e5
f3g5
f3d4
f3h4
g3g4
e4d5
e4e5

## Board State Fen
rnbq1rk1/1pp1bppp/4pn2/3p4/p3P3/3P1NP1/PPPN1PBP/R1BQ1RK1 w - - 0 8
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
a2a3
f1e1
g1h1
d1e2
d1e1
a1b1
b2b4
b2b3
c2c4
c2c3
d2c4
d2b1
d2b3
g2h1
g2h3
h2h4
h2h3
d3d4
f3e1
f3e5
f3g5
f3d4
f3h4
g3g4
e4d5
e4e5

## Board State Fen
rnbq1rk1/1pp1bppp/4pn2/3p4/p3P3/3P1NP1/PPPN1PBP/R1BQ1RK1 w - - 0 8
assistant
f3e5