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 additional words.
Options:
a: Cc1[nH]c(=O)n(C(C)C)c(=O)c1Br
b: C1CS1
c: CCOC(=O)CSP(=S)(OCC)OCC
d: CC1=CC2OC3C(O)C(O)C(C)(C2(CO)CC1O)C31CO1
e: CCCCCCCCCCCCCCCCCC(=O)NC(CCC(=O)O)C(=O)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}