C1C2CC3CC1CC(C2)C3
C1CC1
C1CCC1
C1CCCC1
c1ccccc1
C1CCCCC1
C1CCCCCC1
C1CCNC1
C1CCNCC1
c1ccoc1
C1CCOC1
c1ccsc1
C1Cc2ccccc2CN1
C1Cc2ccccc2N1
c1ccc2ccccc2c1
c1ccc2[nH]ccc2c1
c1ccc(cc1)c2ccccc2
C1CNc2ccccc2C1
C1CSC(N1)c2ccccc2
C(Oc1ccccc1)c2ccccc2
O(c1ccccc1)c2ccccc2
O=C1CCCN1
O=C1NCCN1
O=C(C=Cc1ccccc1)c2ccccc2
O=S1(=O)CCCC1