Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) CC(C)N1CCN(C(=O)N2CCC(NC(=O)C3CCCC3)CC2)CC1
b.) O=C(Cn1ncccc1=O)Nc1ccc(C[C@@H]2CC[C@H]([C@H](O)c3ccccc3)N2)cc1
c.) c1ccc2c(c1)CNC(CN1CCC3(CCc4ccccc43)CC1)C2
Answer: c
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}
1'-(1,2,3,4-tetrahydroisoquinolin-3-ylmethyl)spiro[1,2-dihydroindene-3,4'-piperidine]