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 additional words.
Options:
a: OCC1(N2CCN(C3CCc4ccc(OCc5noc(-c6ccc(Cl)cc6)n5)cc43)CC2)CCCC1
b: COc1ccc(C2CN(CCC3CCS(=O)(=O)CC3)CC2CC(=O)Nc2cccc(Cl)c2)cc1
c: O=c1cnc2ccc(F)c3c2n1C[C@@]3(O)CN1CCC(NCc2cc3c(cn2)OCCO3)CC1
d: O=C(c1cccc2c1OC(c1ccc(-c3ccccc3)cc1)CC2)N1CCCC1
Answer: a, b, 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}
[2-(4-phenylphenyl)-3,4-dihydro-2H-chromen-8-yl]-pyrrolidin-1-ylmethanone