Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a. CS(=O)(=O)OCCN(CCOS(C)(=O)=O)S(C)(=O)=O
b. CCOP(=S)(SC(C)CC)N(C=O)CC
c. CCCC(N)(CCC)CCC
d. CCN(CC)C(=S)SSC(=S)N(CC)CC
e. O=CC(Cl)CCl
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}