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, or c without using any other words.
Options:
a. O=C(c1ccc(F)cc1)c1ccc(N2CCCC2)cc1
b. CN(CC(=O)Nc1ccc(F)c(F)c1F)C1CCCCC1
c. CCC(C)Sc1nc2c(c(=O)[nH]c(=O)n2C)n1Cc1ccc(Cl)cc1
Answer: a, 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}