Using CSc1ncnc2cn[nH]c12, CS(=O)(=O)OCCOCCOC(=O)c1ccccc1 to produce CSc1ncnc2cnn(CCOCCOC(=O)c3ccccc3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.