Task: Please answer the multiple choice question.
Question: Which molecules are toxic?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CN(Cc1cnc2nc(N)nc(N)c2n1)c1ccc(C(=O)N[C@@H](CCC(=O)O)C(=O)O)cc1
b: CCCCC(=O)O[C@]1(C(=O)CO)[C@@H](C)C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@@]21C
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {clinical_toxicity#not &NULL}{clinical_toxicity__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%clinical_toxicity%}
Answer: {%multiple_choice_result}
(2S)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid