Estimate the flash point of Cn1c(=O)c2[nH]cnc2n(C)c1=O.
A: The flash point is 501.576 K.
{#Task: |Task: |!}{#Predict|Estimate!} the {flashpoint__names__noun} of {SMILES#}.
{#Answer: |A: |!}The {flashpoint__names__noun} is {flashpoint#} {flashpoint__units}.