Using COC(Cn1cncn1)(OC)c1ccc(Cl)cc1Cl, C[C@H](O)[C@H](C)O to produce C[C@@H]1OC(Cn2cncn2)(c2ccc(Cl)cc2Cl)O[C@H]1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.