Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CN(C)CCCn1nc(-c2cnc3[nH]cc(C(=O)NC(C)(C)CO)c3n2)c2cc(OC(F)F)ccc21
b: O=C(O)[C@H](CC1CCC1)N1CC(CN2CCC(c3cnc4ccc(C(F)(F)F)cn34)CC2)[C@@H](c2cccc(F)c2)C1
Answer: b
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}
(2S)-3-cyclobutyl-2-[(3S)-3-(3-fluorophenyl)-4-[[4-[6-(trifluoromethyl)imidazo[1,2-a]pyridin-3-yl]piperidin-1-yl]methyl]pyrrolidin-1-yl]propanoic acid