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: COc1ccc2nccc(C[C@H](O)[C@@H]3CC[C@@H](NCc4cc5c(nn4)OCCO5)CO3)c2n1
b: COc1ccc([C@H]2CN(CCc3ccc(OC)c(OC)c3)C[C@@H]2CC(=O)NCc2cccc(Cl)c2)cc1
c: COc1cc(N2CCN(CCO)CC2)ccc1Nc1ncc(Cl)c(-c2cnc3ccccn23)n1
d: CC(C)(C)CCC1(C(=O)c2ccc3[nH]ncc3c2)CCCN1
Answer: b, c
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}
2-[4-[4-[(5-chloro-4-imidazo[1,2-a]pyridin-3-ylpyrimidin-2-yl)amino]-3-methoxyphenyl]piperazin-1-yl]ethanol