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(CN(c1ccc(F)cc1)S(=O)(=O)c1ccc2c(c1)OCCO2)NCc1ccccn1
b) O=C1c2ccccc2C(=O)N1CCCCN(C(=O)c1cc2ccccc2oc1=O)c1ccc(Cl)cc1
c) COC(=O)c1ccc(N2C(=O)CC(SCCN)C2=O)cc1
d) Cc1nc2ccccc2c(=O)n1Cc1ccc([N+](=O)[O-])cc1
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}