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) CN1C(=O)/C(=C/c2cccc([N+](=O)[O-])c2)C(=O)N1c1ccccc1
b) CC(C)Oc1ccc(/C=C(/NC(=O)c2ccccc2)C(=O)NCCC(=O)O)cc1
c) CCCCc1c(C)nc2ccccc2c1SCCC#N
d) Cc1ncc(C[n+]2csc(CCO)c2C)c(N)n1.Cl.[Cl-]
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}