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, c, or d without using any additional words.
Options:
a CCOc1ccccc1OCCN1CCC(Cc2ccccc2)CC1.O=C(O)C(=O)O
b CCc1ccc(C(CC(=O)c2ccc(Cl)cc2)C(=O)O)cc1
c O=c1[nH]cc(-c2ccc(Br)cc2)n1Cc1ccccc1
d CCOc1cccc(-c2c(C(=O)N/N=C(\C)c3ccncc3)nnn2-c2nonc2N)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}