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, or d without using any other words.
Options:
a.) C=CCOc1ccc(C2=C(c3ccccc3)C(C)(C)Oc3cc(OC)ccc32)cc1
b.) COC(=O)C1CCc2cc(C3CCCCC3)ccc21
c.) CCc1cc2c(cc1C=O)C(C)(C)CCC2(C)C
d.) CCN1CN1CC
Answer: d
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}