Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: c1ccc2c3c([nH]c2c1)C(C1CCCCC1)N[C@@H](c1nc(-c2ccncc2)c[nH]1)C3
b: COCCCc1cc(CN(C(=O)C2CNCCC2c2ccn(C)c(=O)c2)C2CC2)c2ccccc2n1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
(3R)-1-cyclohexyl-3-(4-pyridin-4-yl-1H-imidazol-2-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole