Using CCCC[Sn](CCCC)(CCCC)c1ccnc(F)c1, COC(=O)c1cc2c(Cl)nccc2n1C(=O)OC(C)(C)C to produce COC(=O)c1cc2c(-c3ccnc(F)c3)nccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.