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 other words.
Options:
a) Clc1ccc(CC2CC[N+](CCc3ccccc3)(CCc3ccccc3)CC2)cc1
b) Nc1ccccc1NC(=O)c1ccc(CNC(=O)OCc2cccnc2)cc1
c) CN1CCN(C2=Nc3ccccc3Nc3sc(CO)cc32)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}
4-[(4-chlorophenyl)methyl]-1,1-bis(2-phenylethyl)piperidin-1-ium