Using CCOC(=O)c1cn(CC)c2c(Br)c(F)c(F)cc2c1=O, CCCC[Sn](C#C[Si](C)(C)C)(CCCC)CCCC to produce CCOC(=O)c1cn(CC)c2c(C#C[Si](C)(C)C)c(F)c(F)cc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.