Ask yourself why you're investing to begin with. If the answer is retirement (and it's more than 7 years off), then the answer all along was you shouldn't have gotten out,
You should spend no time whatsoever wondering if those funds are good for you, once you're confident your employer has done the proper due diligence.
After taxes, it's probably not even a rounding error.
If you do that and rebalance your portfolio each year, you would have one that could last throughout your career.