Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) O=NN(C1CCCCC1)C1CCCCC1
(b) CCNc1nc(Cl)nc(NC(C)C)n1
(c) NC(=O)Cc1c([O-])on[n+]1Cc1ccccc1
(d) CNCCCN1c2ccccc2CCc2ccccc21
(e) CSC(C)=NOC(=O)N(C)SN(C(C)C)P1(=S)OCC(C)(C)CO1
Answer: a
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}