Using C1=COCCC1, CCOC(=O)C(C)(C)CCCCCC(O)CCCCCC(C)(C)C(=O)OCC to produce CCOC(=O)C(C)(C)CCCCCC(CCCCCC(C)(C)C(=O)OCC)OC1CCCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.