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] O=C(c1cc([C@H]2CCCN2c2cc(F)cc(F)c2)c2oc(N3CCOCC3)cc(=O)c2c1)N1CCOCC1
[b] Cc1nccnc1C(=O)N1CCC([C@H](N)Cc2cc(F)c(F)cc2F)CC1
[c] CCOC(=O)c1ccnc([C@]2(c3cnn(C)c3)N[C@@H](c3nc(-c4ccc(F)cc4)c[nH]3)Cc3c2[nH]c2ccccc32)c1
[d] NC1(C(=O)NC(c2ccc(Cl)cc2)C2CC2)CCN(c2ncnc3[nH]ccc23)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}
ethyl2-[(1R,3R)-3-[4-(4-fluorophenyl)-1H-imidazol-2-yl]-1-(1-methylpyrazol-4-yl)-2,3,4,9-tetrahydropyrido[3,4-b]indol-1-yl]pyridine-4-carboxylate