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: O=C(CSc1ncnc2sc(-c3ccccc3)cc12)NC1CCS(=O)(=O)C1
b: CCOC(=O)N1CCC(N2CC34C=CC(O3)C(C(=O)Nc3ccc(C)cc3)C4C2=O)CC1
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}