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, b, or c without using any other words.
Options:
(a) O=P(CCCCCCCCCP(=O)(c1ccccc1)c1ccccc1)(c1ccccc1)c1ccccc1
(b) Cn1c2ccccc2c2cc(C(=O)NNC(=O)CCl)sc21
(c) Cc1cccc(-c2ccc3ncnc(NCc4cccs4)c3c2)c1
Answer: a
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}