Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
a Cc1c(CC(=O)O)c2ccccc2n1C(=O)c1ccccc1
b CSC(C)=NOC(=O)N(C)SN(C)C(=O)Oc1ccc(C(C)(C)c2ccc(OC(=O)N(C)SN(C)C(=O)ON=C(C)SC)cc2)cc1
c CN1CCCN=C1C=Cc1cccs1
Answer: a
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}