Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) Clc1nc2ccccc2nc1Cl
(b) CNC(=O)Nc1nc2ccccc2s1
(c) CNN
(d) CCOC(=S)c1ccc2c(c1)OCO2
(e) CC1(C)SC2C(NC(=O)C3(N)CCCCC3)C(=O)N2C1C(=O)O
Answer: e
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}