Using Clc1nc(Cl)nc(N2CCOCC2)n1, CCCC[Sn](CCCC)(CCCC)C1CCC=CO1 to produce Clc1nc(C2=CCOCC2)nc(N2CCOCC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.