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 other words.
Options:
a CN(C)C(=O)CC(NC(=O)C1(N)CCN(c2ncnc3[nH]ccc23)CC1)c1ccc(Cl)cc1
b O=C(O)/C=C/c1ccc2cccc(N3CCN(CCc4ccc(OCCCN5CCCCCC5)cc4)CC3)c2n1
c O=C(C1CNCCC1(O)c1ccc(F)c(F)c1)N(Cc1cn(Cc2cnoc2)c2cccc(F)c12)C1CC1
d C[n+]1c(CCCOc2ccc(Cl)cc2)cccc1CCCOc1ccc(Cl)cc1
Answer: 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}
2,6-bis[3-(4-chlorophenoxy)propyl]-1-methylpyridin-1-ium