Task: Predict the flash point of c1ccc2c(c1)cc1c3c2ccc2cccc(c23)C1.
Answer: The flash point is 502.650 K.
{#Task: |Task: |!}{#Predict|Estimate!} the {flashpoint__names__noun} of {SMILES#}.
{#Answer: |A: |!}The {flashpoint__names__noun} is {flashpoint#} {flashpoint__units}.