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 additional words.
Options:
a: CCOC(=O)C1CCN(C(=O)c2ccc3nc(-c4ccc(OC)cc4)c(-c4ccc(OC)cc4)nc3c2)CC1
b: COc1ccc(/C=C(\NC(=O)c2ccc(C)cc2)C(=O)NCCCn2ccnc2)cc1
Answer: 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}