Using Cc1cc([Sn](C)(C)C)cc(C)n1, CCOC(=O)c1cn2c3c(c(Br)c(F)c(F)c3c1=O)OC[C@@H]2C to produce CCOC(=O)c1cn2c3c(c(-c4cc(C)nc(C)c4)c(F)c(F)c3c1=O)OC[C@@H]2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.