Task: Please answer the multiple choice question.
Question: Which molecules are 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) CCCOc1ccc(/C(CC)=N/NC(=O)C2(C)CC2(Br)Br)cc1
b) CC1=C(C(=O)Nc2ccccc2)C(c2ccncc2)n2nnnc2N1
c) O=C(NCCC1CCCCN1S(=O)(=O)c1cccs1)C(=O)Nc1cccc(F)c1
d) Cc1ccccc1NC(=O)COc1ccc2c(c1)OC(C)(C)CC2=O
Answer: c
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}