Using COCCOCN(c1onc(C)c1Cl)S(=O)(=O)c1c(Cc2c(OC)cccc2OC)sc2ncccc12 to produce COc1cccc(OC)c1Cc1sc2ncccc2c1S(=O)(=O)Nc1onc(C)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.