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) CCCOc1ccc(C(=O)N2CCN(c3ccc(NC(=O)CC)cc3Cl)CC2)cc1
b) COc1ccccc1NC(=O)COc1ccc(C(=O)OCC(=O)N2CCCC2=O)cc1OC
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}