Estimate the flash point of O=[N+]([O-])c1ccc2[nH]c3c([N+](=O)[O-])cccc3c2c1.
The flash point is 551.850 K.
{#Task: |Task: |!}{#Predict|Estimate!} the {flashpoint__names__noun} of {SMILES#}.
{#Answer: |A: |!}The {flashpoint__names__noun} is {flashpoint#} {flashpoint__units}.