``O=S1(NC=2N=C(C3=C(CCCCC(NC4=CC=CC1=N4)CCC(=O)O)C=CC=C3)C(C(F)(F)F)=CC2)=O`` 
O=S1(NC=2N=C(C3=C(CCCCC(NC4=CC=CC1=N4)CCC(=O)O)C=CC=C3)C(C(F)(F)F)=CC2)=O