Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) CC(=O)OC=CCOC(C)=O
(b) CCCC1OCC(CC)([N+](=O)[O-])CO1
(c) CCCCOCCOCCO
(d) ClC=C(Cl)CCl
(e) C=C(CC(=O)c1ccc(-c2ccccc2Cl)cc1)C(=O)O
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}