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, or d without using any other words.
Options:
[a] CCP(=S)(Oc1ccc([N+](=O)[O-])cc1Cl)OC(C)C
[b] C=CCOC(Cn1ccnc1)c1ccc(Cl)cc1Cl
[c] COC(=O)c1ccc(C)cc1
[d] CNC(=O)Oc1cc(C)cc(C)c1
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}