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, or d without using any additional words.
Options:
(a) CCCc1ccc(OC)cc1
(b) CC(C)C(=O)N(C)C(=O)Oc1cccc(C(C)C)c1
(c) ClCCN(CCCl)c1ccccc1
(d) Cc1onc2c(=O)n(C)nc(-c3ccccc3)c12
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}