Using COC(OC)c1cccc(OC(=O)OC(C)(C)C)c1, OCCc1ccccc1 to produce CC(C)(C)OC(=O)Oc1cccc(C(OCCc2ccccc2)OCCc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.