Mid to Late in tourney. BB reraise

[Pondy]

I hit the flop but the reraise from the BB worries me..

Villian is TAG
Game #3227541963: Hold'em NL (150/300) - 2007/02/22 - 22:37:16 (UK)
Table "5" Seat 2 is the button.
Seat 1: (3360 in chips)
Seat 2: (13002.50 in chips)
Seat 3: (8160 in chips)
Seat 4: Villian(8564 in chips)
Seat 6: UTG(8935 in chips)
Seat 7: (6890 in chips)
Seat 8: (5822.50 in chips)
Seat 9: sits out
Seat 10: Hero(7680 in chips)
posts small blind 150
Villian: posts big blind 300
----- HOLE CARDS -----
dealt to Hero[Jc Td]
UTG calls 300
folds
folds
folds
Hero: calls 300
folds
folds
SB: calls 150
Villian: checks
----- FLOP ----- [4h 4c Jh]
checks
Villian: checks
checks
Hero: bets 1000
folds
Villian: raises to 2001
Hero ??