Using CCOC(=O)CCc1ccc(C#N)cc1OCCNC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)NCCOc1cc(C#N)ccc1CCCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.