Using CC(C)(C)OC(=O)Cc1ccc(Cl)c(C#N)c1, CCCC[Sn](CCCC)(CCCC)c1ccnc(C)c1 to produce Cc1cc(-c2ccc(CC(=O)OC(C)(C)C)cc2C#N)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.