Fill in the blank (_) in the following sentence from the following choices.
Sentence: The smell of mold when we entered the house was strong so we opened the windows and lit some candles, but the _ didn't help without a breeze.

Choice 1: The smell of mold when we entered the house was strong so we opened the windows and lit some candles, but the windows didn't help without a breeze.
Choice 2: The smell of mold when we entered the house was strong so we opened the windows and lit some candles, but the candle didn't help without a breeze.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.