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: O=C(NCc1ccccc1)N(c1ccc(Br)cc1)C1CCN(Cc2ccncc2)CC1
b: CN1C2CCCC1CC(NC(=O)c1cccc3oc(C4CC4)nc13)C2
c: Clc1cccc(OC(c2ccccc2)C2CCNCC2)c1Cl
d: Cc1c(-c2c(F)cc(C(N)=O)c3[nH]c4c(c23)CC[C@H](C(C)(C)O)C4)cccc1-n1c(=O)c2cccc(F)c2n(C)c1=O
Answer: a, 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}
4-[(2,3-dichlorophenoxy)-phenylmethyl]piperidine