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 other words.
Options:
a) C=CC(=O)OCCN(CC)CC
b) C=C(Cl)CCl
c) NC(CS)C(=O)O
d) O=C1OC(OC2OC(=O)C(Cl)=C2Cl)C(Cl)=C1Cl
e) CC1CC(C)C(=O)C(C(O)CC2CC(=O)NC(=O)C2)C1
Answer: b
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}