Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COc1ccc(CNC(=O)c2cc(-c3cc(Cl)cc(Cl)c3)cnc2-c2cccnc2)cc1OC
b N#Cc1ccc(Cn2cncc2CN(CCCc2ccccc2)[C@H]2CCN(Cc3ccccc3)C2=O)cc1
c Brc1cccc2nc(C#Cc3ccccn3)ccc12
d COc1cc(N2C(=O)N(c3ccc(-c4ccc(C(=O)O)c(Cl)c4)cc3)C(=O)C23CCN(Cc2ncccc2C)CC3)ncn1
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}
5-bromo-2-(2-pyridin-2-ylethynyl)quinoline