Is landlord responsible for smoke odor?

[Account Closed]

I have a rental property which has smoke odor in one bedroom when we purchase it. We did a deep cleaning then rent it out. The renter are complaining about the odor in the whole house now, and we do not have odor appendix in our contract, I wonder are we responsible for the cleaning at this moment? I would help if it is only one room, but they are asking for whole house now...