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) Nc1ncc(-c2ccc(C(=O)N3CCNCC3)cc2)cc1-c1ccc(C(F)(F)F)nc1
b) O=C(NCCCCN1CCN(c2cccc(Cl)c2Cl)CC1)c1cc2ccccc2cn1
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}
N-[4-[4-(2,3-dichlorophenyl)piperazin-1-yl]butyl]isoquinoline-3-carboxamide