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) CNC(=O)Oc1cccc2sccc12
(b) Cc1ccc(S(=O)(=O)OCCCl)cc1
(c) CC(C)COC(=O)c1ccccc1
(d) O=C(O)c1c(O)c(O)cc2ccccc12
(e) CC(C)c1cccc(C(C)C)c1N=C=O
Answer: c
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}