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.) Clc1cccc2ccccc12
b.) CC(C)OP(=S)(OC(C)C)SCn1nc(Cl)ccc1=O
c.) C=Cc1ccc(OC(C)=O)cc1
d.) CCOP(=S)(OCC)SCn1ncccc1=O
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}