Predict the flash point of C1=Cc2c3ccc4cccc5ccc(c6cccc1c26)c3c45.
The flash point is 538.450 K.
{#Task: |Task: |!}{#Predict|Estimate!} the {flashpoint__names__noun} of {SMILES#}.
{#Answer: |A: |!}The {flashpoint__names__noun} is {flashpoint#} {flashpoint__units}.