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: COc1cc2c(cc1F)C(=O)C=C(C(=O)NC1CCN(Cc3ccc4c(c3)OCO4)CC1)C2
b: CC(C)NCC(O)COc1ccc(COCCOC(C)C)cc1
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}
N-[1-(1,3-benzodioxol-5-ylmethyl)piperidin-4-yl]-6-fluoranyl-7-methoxy-4-oxidanylidene-1H-naphthalene-2-carboxamide