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, d, or e without using any additional words.
Options:
a CC(=O)OCOC(=O)C1=C(COC(N)=O)SC2C(C(C)O)C(=O)N12
b CCN(CC)CCCl
c CC(C)C(=O)OC1CCC(N2CCCCC2)CC1
d COc1nn(CSP(=S)(OC)OC)c(=O)s1
e C=CC=O
Answer: e
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}