Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] CCCCSSC(Cl)C(Cl)Cl
[b] Cc1nc(Cn2cnc3c2c(=O)n(C)c(=O)n3C)no1
[c] O=C1CCC(=O)N1
[d] CC(=O)OC(C)(C)C
[e] CC(C)(C)c1nnc(NS(=O)(=O)c2ccccc2)s1
Answer: e
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}