Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCC(=O)N(c1ccccc1)C1(COC)CC[NH+](CCc2cccs2)CC1
[b] Cc1ncc(CO)c(CO)c1O
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
N-[4-(methoxymethyl)-1-(2-thiophen-2-ylethyl)piperidin-1-ium-4-yl]-N-phenylpropanamide