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, or d without using any other words.
Options:
(a) CC(C)=CCC(CCN1CCOCC1)(C(N)=O)c1cccc2ccccc12
(b) CCCCOCCOP(=O)(OCCOCCCC)OCCOCCCC
(c) CC(C)(C)C(CS(C)(=O)=O)=NO
(d) C1CCNCC1
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}