Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] CC(c1ccc(Cl)c(Cl)c1)N1N=C(N)CC1=O
[b] Nc1cc[n+]([O-])cc1
[c] CCC(=C(c1ccc(OCCN(C)C)cc1)c1ccc(OP(=O)(O)O)cc1)c1ccc(C(C)C)cc1
[d] S=c1[nH]c2ccc(Cl)cc2[nH]1
[e] COc1ccc(NS(=O)(=O)c2ccc(N)cc2)nn1
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}