Using CCOC(=O)c1cn(C2CC2)c2cc(Br)c(F)cc2c1=O, Cc1cc([Sn](C)(C)C)cc(C)n1 to produce CCOC(=O)c1cn(C2CC2)c2cc(-c3cc(C)nc(C)c3)c(F)cc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.