Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
(a) CCOC(=O)C(CC(C)C)NC(=O)C(Cc1ccc(N(CCCl)CCCl)cc1)NC(C)=O
(b) C=CCn1c(=O)[nH]c(=O)n(CC=C)c1=O
(c) CCCOc1cccc(C)c1N(COCC)C(=O)CCl
(d) C=CCn1c(=O)n(CC=C)c(=O)n(CC=C)c1=O
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}