Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] COC(COC(N)=O)C1=C(N2CC2)C(=O)C(C)=C(N2CC2)C1=O
[b] Cc1cccc(Cl)c1NC(=O)C=C1SCC(=O)N1C
[c] N#CC(C#N)=C1SCS1
[d] CS(=O)(=O)c1ccc2c(c1)N(CCCN1CCC(C(N)=O)CC1)c1ccccc1S2
[e] CCCOC(=O)Nc1ccco1
Answer: a
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}