Task: Please answer the multiple choice question.
Question: Which molecules are not 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(OCC(=O)N1CCOCC1)c1ccc2c(c1)OCCO2
b. O=S(=O)(c1cnc[nH]1)N1CCN(c2ccc(Cl)cc2)CC1
c. CC(C)OC(=O)c1cccc(-c2ccc(C=O)o2)c1
d. COc1cccc(NC(=O)CN(C2=NC3CS(=O)(=O)CC3S2)c2cccc(C)c2)c1
Answer: a, b, c, 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}