Using COc1cc2nc(Cl)nc(-c3cccc(NC(=O)OC(C)(C)C)c3)c2cc1OC to produce COc1cc2nc(Cl)nc(-c3cccc(N)c3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.