Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CCN(CC)C(C)CN1c2ccccc2Sc2ccccc21
(b) CNC(=O)Oc1cccc(C(C)C)c1Cl
(c) OCCOCCN1CCN(C(c2ccccc2)c2ccccc2)CC1
(d) COc1ccc2c(c1)N(CCCN(C)C)c1ccccc1S2
(e) O=C(OCC1(COC(=O)c2cccnc2)CCCC(COC(=O)c2cccnc2)(COC(=O)c2cccnc2)C1O)c1cccnc1
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}