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] CON=C(C)C(=NOC(=O)N(C)SN(C)C(=O)ON=C(C)SC)C(=O)N(C)C
[b] CCCCC(C)(C)CO
[c] O=C1CN=C(c2ccccc2Cl)c2cc(Cl)ccc2N1
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}