some plants just aren't very stunky.. my last grow was g13labs super skunk, and you could smell them suckers as soon as you opened up the front door.. this time around im growing dna's sour cream and thseeds mkultra, and neither of them are very stunky.. if i rub my hands on the buds i get a nice odor that way, but as far as the whole place stinking like it did last time, not even close.. i also use molasses, same as you, one tb per gallon, and did as well on the last grow.. i don't think that it has any effect on the odor one way or another..
like i said, i just think that some strains are more stinky than others.. take ak 47 for instance.. supposed to be one of the stunkier strains out there.. than take say lavender.. this one is not supposed to have much of a smell at all when your growing her.. i would chill out a lil, and i just think it maybe the strain that your growing.. i know a lot of people who would like to be in your situation as it helps to keep the grow more stealth if your not worried about it stinking up the hood, lol..
best of luck with the rest of the grow..