Using CC(C)(C)OC(=O)NCc1cccc(C(=O)c2cc(Cl)ccc2N)c1 to produce CC(C)(C)OC(=O)NCc1cccc(C(O)c2cc(Cl)ccc2N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.