Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: Cc1nc(NCc2ccccc2)c2cc[nH]c2n1
b: CCCOC(=O)OOC(=O)OCCC
c: CC(C)COCCO
d: CC(C)Nc1ccc(Nc2ccccc2)cc1
e: CCNC(=O)OCCSCSP(=S)(OC)OC(C)C
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}