CN1C(=O)N(C)C(=O)C(N(C)C=N2)=C12 caffeine c1ncccc1C1CCCN1C nicotine c1ccccc1C(=O)OC2CC(N3C)CCC3C2C(=O)OC cocaine CCN(CC)C(=O)C1CN(C)C2CC3=CNc(ccc4)c3c4C2=C1 LSD N12CCC36C1CC(C(C2)=CCOC4CC5=O)C4C3N5c7ccccc76 Strychnine COc1cc2c(ccnc2cc1)C(O)C4CC(CC3)C(C=C)CN34 quinine C123C5C(O)C=CC2C(N(C)CC1)Cc(ccc4O)c3c4O5 morphine C123C5C(OC(=O)C)C=CC2C(N(C)CC1)Cc(ccc4OC(=O)C)c3c4O5 heroin C1C(C)=C(C=CC(C)=CC=CC(C)=CCO)C(C)(C)C1 vitamin a CC1(C)SC2C(NC(=O)Cc3ccccc3)C(=O)N2C1C(=O)O benzylpenicillin [Cl-].[Cl-].NC(=O)c2cc[n+](COC[n+]1ccccc1C=NO)cc2 HI-6 OC(=O)c1cccc(Cl)c1Cl 50-45-3
Open a separate browser and run depictmatch.cgi to test your answers by matching against the smiles above.
Write SMARTS for the descriptions given below.
Note: The following answers are not uniquely correct. For example, "[C,c]" is exactly equivalent to "[#6]".
C~O
[R0]
*!@*
[#6][F,Cl,Br,I]
[O,N;!H0;R0]
O=[C,N]
O=[C,N]-aa-[F,Cl,Br,I]
A-[#6;!$(C(F)(F)F)]