Using CCOC(=O)C(c1ccc(NC(=O)OC(C)(C)C)cc1)N(C)C(C)C to produce CCOC(=O)C(c1ccc(N)cc1)N(C)C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.