Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
a C=C1C(=CC=C2CCCC3(C)C2CCC3C(C)CCCC(O)(C(F)(F)F)C(F)(F)F)CC(O)CC1O
b N#Cc1cc(Cl)cc2[nH]c(C(F)(F)F)nc12
c CN(N=O)C(=O)NC(N)=O
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}