Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a FC(F)(F)c1nc2ccccc2[nH]1
b CNC(=O)CSP(=O)(OC)SC
c C=CC(=O)OCCOCCOC(=O)C=C
d CC=CCOC(CC)OCC=CC
e C=CCC1(C(C)CC)C(=O)NC(=O)NC1=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}