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] COc1ccc(OCC(O)CNc2ccc(Br)cc2)cc1
[b] O=C(c1ccc(Cl)cc1)C1CCCN(Cc2cnn(-c3ccccc3)c2)C1
[c] Nc1c(C(=O)NCc2ccccc2)nnn1Cc1ccccc1
[d] O=C(c1ccc2c(c1)OCO2)N(Cc1cccs1)C1(C(=O)NC2CCCCC2)CCCCC1
Answer: b
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}