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 other words.
Options:
[a] COC(=O)C(C)Oc1ccc(Oc2ncc(C(F)(F)F)cc2Cl)cc1
[b] CC(C)N(CCO)C(C)C
[c] O=C(O)CN(CCCN(CC(=O)O)CC(=O)O)CC(=O)O
[d] CNC(=O)ON=CC(C)(C)S(C)=O
[e] CC(=O)NC(=O)C(Cl)(Cl)Cl
Answer: d
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}