Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) NCCCNCCNCCCN
(b) Nc1nc(N)c2cc(N(Cc3ccc(Cl)c(Cl)c3)N=O)ccc2n1
(c) CNC(=O)c1cc(OC)n(-c2cccc(Cl)c2)n1
(d) C=CCOC(=O)Cl
(e) O=C1NCCCN1Cc1ccc(Cl)c(Cl)c1
Answer: d
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}