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) CCCSP(=S)(OC)SCCC
(b) O=P(OCCCl)(OCCCl)OC1CCC(C(Br)CBr)CC1Cl
(c) CCCCN(CCO)CCCC
(d) C=CS(=O)(=O)C=C
(e) CCOCCC(=O)OCC
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}