Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1cccc(-c2n[nH]cc2-c2ccc3ncccc3n2)n1
(b) O=c1cc(NC2CCN(Cc3ccc4c(c3)OCO4)CC2)c2cc(Cl)ccc2n1Cc1ccccc1
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}
2-[3-(6-methylpyridin-2-yl)-1H-pyrazol-4-yl]-1,5-naphthyridine