Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any additional words.
Options:
(a) CC1=C2C(=O)OC(c3ccoc3)C2(C)CCC1
(b) COP(=S)(OC)SC(CCl)N1C(=O)c2ccccc2C1=O
(c) NS(=O)(=O)c1cc2c(cc1Cl)N=CNS2(=O)=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}