Using CI, COC(=O)C(C)c1ccnc(Oc2ccc(Cl)cc2)c1 to produce COC(=O)C(C)(C)c1ccnc(Oc2ccc(Cl)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.