Using COC(=O)Cc1c(C)nc2sc3c(c2c1-c1ccc(C)cc1)CCCC3, FC(F)(F)CCI to produce COC(=O)C(CCC(F)(F)F)c1c(C)nc2sc3c(c2c1-c1ccc(C)cc1)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.