Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a COc1ccc([C@@H](C)N[C@@H]2CC[C@@H](C(=O)N3CCC(C(=O)N4CCCC4)(c4ccccc4)CC3)C(C)(C)C2)cc1
b CC(C)(C)NC(=O)CN1CCC(CNC(=O)c2cc(Cl)cc(Cl)c2)CC1
c N[C@H]1C[C@@H](N2Cc3cnc(C(F)(F)F)nc3C2)CO[C@@H]1c1cc(F)c(F)cc1F
d Cc1c(Cl)cccc1N1CCN(CCCNC(=O)c2nc(-c3ccccc3)n(-c3ccccc3)c2C)CC1.Cl.Cl.Cl
Answer: 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}
N-[3-[4-(3-chloro-2-methylphenyl)piperazin-1-yl]propyl]-5-methyl-1,2-diphenylimidazole-4-carboxamide;trihydrochloride