Using COc1ccc(CNC(=O)c2cc([N+](=O)[O-])ccc2NC(CO)CO)cc1OC, COC(C)(C)OC to produce COc1ccc(CNC(=O)c2cc([N+](=O)[O-])ccc2NC2COC(C)(C)OC2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.