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 or b without using any other words.
Options:
a: Cc1oc2c(C)c3oc(=O)c(CCC(=O)N4CCC(C(=O)NCCC(=O)O)(c5ccccc5)CC4)c(C)c3cc2c1C
b: CC[n+]1c(C)sc2cc(C)ccc21.[I-]
Answer: a, b
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}