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 other words.
Options:
a. COc1ccccc1/C=N\N=C(\N)c1ccccn1
b. O=C(OCCOCCN=C1NS(=O)(=O)c2ccccc21)c1ccccc1Br
c. COc1ccc(S(=O)(=O)N2CCCCC2)cc1NC(=O)CNc1ccccc1N1CCCC1=O
d. Cc1cccc(-n2c(O)cnc2Nc2nc(C)cc(C)n2)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}