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, or c without using any other words.
Options:
(a) COP(=S)(OC)SCn1nc(-c2ccccc2)ccc1=O
(b) OCC(Cl)CCl
(c) CON=C(C)C(=NOC(=O)N(C)SN(C)C(=O)ON=C(C(=O)N(C)C)C(C)=NOC)C(=O)N(C)C
Answer: b
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}