Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) c1ccc(Sc2ccccc2)cc1
(b) CN(C)S(=O)(=O)CCCCNC(=O)N(CCCl)N=O
(c) OCC=CCl
(d) O=S(=O)(c1ccc(O)cc1)c1ccc(O)cc1
(e) CCN(CC)C(=O)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}