Using CCCC[Sn](CCCC)(CCCC)c1cn2c(n1)-c1ccc(C(=O)OC)cc1OCC2, CC(C)n1ncc(C#N)c1N to produce COC(=O)c1ccc2c(c1)OCCn1cc(-c3c(C#N)cnn3C(C)C)nc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.