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] Cc1ccc(CCOCc2cccc(COCCc3ccc(C)cc3)[n+]2C)cc1
[b] Cc1cccc(-c2nc(C(C)(C)C)[nH]c2-c2ccc3c(c2)OCO3)n1
[c] COc1cc(N[C@H](C)CCCN)c2ncccc2c1
[d] COc1ccc2ncc(F)c(C[C@H](O)C3CCC(NCc4nc5c(cc4F)OCC(=O)N5)CO3)c2n1
Answer: a, 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-methyl-2,6-bis[2-(4-methylphenyl)ethoxymethyl]pyridin-1-ium