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 other words.
Options:
a.) CNC(=O)CN1Cc2c(nc(C)c(CN)c2-c2ccc(Cl)cc2Cl)C1=O
b.) Cc1nc2ccccc2n1C1CC2CCC(C1)N2CCC1(c2ccccc2)CCN(C(=O)c2cccc(C(N)=O)c2)CC1
c.) CCOC(=O)c1cccc([C@]2(c3cnn(C)c3)N[C@@H](c3nc(-c4ccc(F)cc4)c[nH]3)Cc3c2[nH]c2ccccc32)n1
d.) COc1ccc(CCN2CCC(C(=O)c3ccc(Cl)cc3)CC2)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}
ethyl6-[(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-2-carboxylate