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. COc1ccc(Cl)cc1NC(=S)N(Cc1cccnc1)Cc1ccco1
b. [N-]=[N+]=NC1CC(CO)OC1n1ccc(=O)[nH]c1=O
c. CC(C)c1c(C#N)c(N)nc(SCC(=O)c2cc3ccccc3oc2=O)c1C#N
d. O=C(NCc1ccc2c(c1)OCO2)C1CCCN1S(=O)(=O)c1ccc(F)cc1
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}