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, or c without using any additional words.
Options:
a) O=C(C1CCN(C2CCN(C/C(Cl)=C/c3ccccc3)CC2)CC1)N1CCOCC1
b) Cc1nn(-c2ccc(Cl)nn2)c(=O)c2ccccc12
c) COc1cccc(/C=C2\SC(=O)N(CCC(=O)NNC(=O)c3ccccc3Cl)C2=O)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}