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 other words.
Options:
(a) Nc1n[nH]c2ccc(C(F)(F)F)cc12
(b) CCCCOC(=O)COc1ccc(Cl)cc1C
(c) COc1cc(C)nc(-n2nc(C)cc2OC)n1
(d) CCOP(=O)(OCC)SCn1nc(Cl)ccc1=O
(e) C=CCN(CC=C)c1c(C)cc(OC(=O)NC)cc1C
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}