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 additional words.
Options:
(a) O=C(O)Cc1sc(-c2ccccc2)nc1-c1ccc(Cl)cc1
(b) ClCC1CS1
(c) CN(CCO)CCO
(d) CC(=O)OC1c2c(ccc3ccc(=O)oc23)OC(C)(C)C1OC(=O)C=C(C)C
(e) CCCCCCC(C)N
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}