Task: Please answer the multiple choice question.
Question: Which molecules are a 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 CCn1cc(C2(c3nn(C)c(=O)o3)N[C@@H](c3nc(-c4ccc(F)cn4)c[nH]3)Cc3c2[nH]c2ccccc32)cn1
b COC(=O)Cc1ccc(-n2cc(C3CCN(CCN4CCNC4=O)CC3)c3cc(Cl)ccc32)cc1
c COc1cc(-c2cn(C3CC([Si](C)(C)C)CCNC3=O)nn2)ccc1-n1cnc(C)c1
d C[n+]1c(CCc2ccccc2)cccc1CCc1ccccc1
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-methyl-2,6-bis(2-phenylethyl)pyridin-1-ium