Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCOC(=O)C1(Cc2cccc(Cl)c2)CCCN(C(=O)CCC(=O)N(C)C)C1
b: CCOC(=O)N1CCN(C(=O)CSc2nc3ccccc3c(=O)n2-c2ccccc2)CC1
c: O=C(CCc1nc2ccccc2c(=O)[nH]1)OCC(=O)N1CCc2ccccc21
d: CCCNC(=O)C12CCC(C(Br)Br)(C1Br)C2(C)C
Answer: a, b, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}