Using CC(C)(C)OC(=O)N1CCc2ncnc(O)c2C1, O=C1CCC(=O)N1Cl to produce CC(C)(C)OC(=O)N1CCc2ncnc(Cl)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.