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) CCc1ccc(CCO)nc1
(b) CCP(=S)(OC)SCSCSP(=S)(CC)OC
(c) CON=C(C)C(=NOC(=O)N(C)SN(C)C(=O)ON=C(C)SC)C(=O)N(C)C
(d) COC(C)CC(OC)OC
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}