Task: Estimate the flash point of O=C1OC(=O)c2ccc3c4c(ccc1c24)C(=O)OC3=O.
The flash point is 553.550 K.
{#Task: |Task: |!}{#Predict|Estimate!} the {flashpoint__names__noun} of {SMILES#}.
{#Answer: |A: |!}The {flashpoint__names__noun} is {flashpoint#} {flashpoint__units}.