Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
a: CCOC(=O)C1=CN(CC)C2CCCC(C)N2C1=O
b: COc1ccc2c(=O)c(C)c(C)oc2c1CN1CCOCC1
c: CCCCSP(SCCCC)SCCCC
d: O=P(OCCCl)(OCCCl)OC1CC(C(Br)CBr)CCC1Cl
Answer: b
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}