Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
(a) O=C(O)Cc1cc(O)ccc1Nc1c(Cl)cccc1Cl
(b) O=C1c2cccc(S(=O)(=O)O)c2C(=O)c2cccc(S(=O)(=O)O)c21
(c) CCC(CC)C(=O)OCC(Cl)(Cl)Cl
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}