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, c, d, or e without using any additional words.
Options:
[a] CNC(=O)ON=C1CS(=O)CCS1
[b] CCOC(=O)CC(=O)CCl
[c] CCC1C(=O)OCC1Cc1cncn1C
[d] CC=CCC(C(=O)O)c1ccc(-c2ccccc2)cc1
[e] CN1CCN=C(c2ccccc2)c2cc(Cl)ccc21
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}