Using CC(C)(C)OC(=O)C(C)(C)Sc1ccc(C=O)cc1, COCCN to produce COCCNCc1ccc(SC(C)(C)C(=O)OC(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.