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) O=C(CSc1nc2ccccc2n1S(=O)(=O)c1ccccc1)N1CCCC1
(b) CCS(=O)(=O)N1CCCC(C(=O)NC2CCC(C)CC2)C1
(c) C=C(C)c1cccc(C(C)(C)NC(=O)Nc2ccc(C(C)=O)cc2)c1
(d) CCc1c(C(=O)NCc2ccccc2Cl)[nH]c(C)c1C(C)=O
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}