Using COC(=O)c1cc(Cc2c(C)c(OC)c(OC)c(OC)c2OC)ccc1OCC(=O)OC(C)(C)C to produce COC(=O)c1cc(CC2=C(C)C(=O)C(OC)=C(OC)C2=O)ccc1OCC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.