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 additional words.
Options:
[a] Clc1ccc(C(c2ccc(Cl)cc2)C(Cl)(Cl)Cl)cc1
[b] CCOC(C(=O)O)(c1ccccc1)c1ccccc1
[c] CCCSP(=O)(OCC)SCn1c(=O)oc2cc(Cl)cnc21
[d] CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
[e] CN(C)CCCN1c2ccccc2CCc2ccccc21
Answer: b
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}