Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] CC1=C(CC(=O)O)c2cc(F)ccc2C1=Cc1ccc(S(C)=O)cc1
[b] CCC(C(=O)O)c1ccc(N2Cc3ccccc3C2=O)cc1
[c] Cc1ccccc1C(=O)Nc1cccc(OC(C)C)c1
[d] CC(C)Nc1nc(Cl)nc(NC(C)C)n1
[e] OC1(c2ccc(F)cc2)c2ccccc2C2=NCCN21
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}