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 other words.
Options:
[a] O=C(/C=N/O)CCCCCN1CCCCCC1
[b] Cn1c(C(=O)N2CCN(Cc3ccc4c(c3)OCO4)CC2)cc2c(=O)n(C)c3ccccc3c21
[c] Cc1cc(N2CCN(C(=O)Nc3ccccc3C#N)CC2)c2ccccc2n1
[d] CN(C(=O)C1CCCC1)C1CCS(=O)(=O)C1
Answer: c
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}