sfofL15rGTClN ( H2 fofL15rGTClN ( H2 ofL15rGTClN ( H2 fL15rGTClN ( H2 L15rGTClN ( H2 15rGTClN ( H2 5rGTClN ( H2 rGTClN ( H2 GTClN ( H2 TClN ( H2 ClN ( H2 lN ( H2 N ( H2 ( H2 H2 ( G1G1