Task: Please answer the multiple choice question.
Question: Which molecules are 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. O=C(c1ccncc1)N1CCC2(CCN(Cc3cccc(Oc4ccccc4)c3)CC2)CC1
b. CN(C)CC[C@H](c1ccc(Br)cc1)c1ccccn1
Answer: a, 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}
[9-[(3-phenoxyphenyl)methyl]-3,9-diazaspiro[5.5]undecan-3-yl]-pyridin-4-ylmethanone