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, or d without using any other words.
Options:
a COc1ccc2c(c1)OC(C)(C)C(c1ccccc1)C2c1ccc(OCCN2CCCC2)cc1
b CC(C)C12CCC(C)(CC1)O2
c OC1CC2CC1C1CC3OC3C21
d OCCOCCOCCOCCOCCOCCO
Answer: c
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}