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 other words.
Options:
a CC(=O)Nc1ccc(S(=O)(=O)N2CCN(C(=O)c3ncoc3-c3ccccc3F)CC2)cc1
b O=C(OCC(=O)N1CCN(C(=O)c2ccco2)CC1)c1ccccc1Cc1ccccc1
c O=C(NCCc1ccc(Cl)cc1)/C(=C/c1cccnc1)NC(=O)c1ccccc1
d Cc1onc(C(=O)Nc2ccc(OC(F)(F)F)cc2)c1[N+](=O)[O-]
Answer: b, 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}