Using CCOC(=O)c1cccc(N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)n1 to produce CC(C)(C)OC(=O)Nc1cccc(CO)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.