Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a N[C@H]1CN(C(=O)c2ccc3ncsc3c2)C[C@H]1C(=O)N1CCCC1
b c1ccc2c(CCNc3ccc(Nc4ccncc4)cc3)c[nH]c2c1
c O=c1ccc(-c2ccc(OC3CCN(C4CCC4)CC3)nc2)n[nH]1
d O=C1N(CCN2Cc3ccccc3C2)CCN1c1ccc2sccc2c1
Answer: b, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
1-N-[2-(1H-indol-3-yl)ethyl]-4-N-pyridin-4-ylbenzene-1,4-diamine