Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=C(Nc1nc(-c2ccccc2)cs1)c1ccc(S(=O)(=O)N2CCc3ccccc32)cc1
b CCN(Cc1ccccc1)C(=O)C(=O)c1cn(CC(=O)N2CCCC2)c2ccccc12
c O=C(CN1C(=O)NC2(CCCC2)C1=O)N1CCN(c2ccccc2Cl)CC1
d Cc1ccc(C(O)CN2C3=NCCN3c3ccccc32)cc1.Cl
Answer: d
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}