Using CCOP(=S)(Cl)OCC, Oc1ncn(-c2ccc(Cl)nn2)n1 to produce CCOP(=S)(OCC)Oc1ncn(-c2ccc(Cl)nn2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.