Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
(a) CN(C)CC=C(c1ccc(Br)cc1)c1cccnc1
(b) CN1CCCN=C1C=Cc1cccs1
(c) C=CCn1c(=O)c2[nH]c(C)nc2n(CCCC)c1=O
(d) Cc1cnc(C)c(C)n1
Answer: b
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}