Using CC(C)(C)OC(=O)OC(=O)OC(C)(C)C, Nc1nc2ccc(O)cc2n1Cc1ccccc1 to produce CC(C)(C)OC(=O)Nc1nc2ccc(O)cc2n1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.