Using C1=COCCC1, CCCCCC(O)c1cccc(OCc2cccc(C(=O)OC)c2)c1 to produce CCCCCC(OC1CCCCO1)c1cccc(OCc2cccc(C(=O)OC)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.