Predict the flash point of O=c1c2ccccc2[nH]c2cc3c(=O)c4ccccc4[nH]c3cc12.
A: The flash point is 494.450 K.
{#Task: |Task: |!}{#Predict|Estimate!} the {flashpoint__names__noun} of {SMILES#}.
{#Answer: |A: |!}The {flashpoint__names__noun} is {flashpoint#} {flashpoint__units}.