Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) CN(C)CCCNCCCN(C)C
(b) CCC(=O)n1c(=O)n(C2CCN(CCC(C#N)(c3ccccc3)c3ccccc3)CC2)c2ccccc21
(c) CON=C(C)C(=NOC(=O)N(C)SN(C)C(=O)ON=C(C)SC)C(=O)N(C)C
(d) CC(C)(C)C1CCC(O)CC1
(e) CCCc1c(OCc2cccn3c(=O)c(CCC(=O)O)cnc23)ccc(C(C)=O)c1O
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}