CCCCCCCCCCCCCCCCCC[NH+](C)CCCCCCCCCCCCCCCCCC.Fc1c(F)c(F)c([B-](c2c(F)c(F)c(F)c(F)c2F)(c2c(F)c(F)c(F)c(F)c2F)c2c(F)c(F)c(F)c(F)c2F)c(F)c1F