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, or d without using any additional words.
Options:
a: CC(=O)C1(O)CCC(c2ccccc2)CC1
b: CSC(C)=NOC(=O)N(C)SN(C(C)C)P1(=S)OCCCO1
c: CSC(C)=NOC(=O)N(C)SN(C(C)C)P1(=S)OCCCO1
d: CCc1ncc(C)nc1C
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}