Using CCCC[Sn](CCCC)(CCCC)c1ncco1, Clc1ncnc2c1cnn2CCN1CCCCC1 to produce c1coc(-c2ncnc3c2cnn3CCN2CCCCC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.