Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a Clc1cn[nH]c1
b CCOP(=S)(OCC)OP(=S)(OCC)OCC
c CNC(=O)ON=C1CSCS1
d c1ccc(-c2ccc(C(c3ccccc3)n3ccnc3)cc2)cc1
e CCOP(=S)(OCC)SCC(=O)OC
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}