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) CC(=O)NC(NC(C)=O)c1cccc(OCc2ccccc2)c1
b) Cc1cccc(NS(=O)(=O)c2coc(C(N)=O)c2)c1C
c) Cc1ccc(CNc2ncc(-c3ccccc3)n2C)o1.O=C(O)C(=O)O
d) COc1ccc2c(c1)CCCC21SC(NC(C)=O)=NN1C(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}