Using CCOC(=O)c1cc2cc(C(CC)(CC)c3ccc(OCC(=O)C(C)(C)C)c(CC)c3)cc(C)c2o1 to produce CCOC(=O)c1cc2cc(C(CC)(CC)c3ccc(OCC(O)C(C)(C)C)c(C)c3)cc(C)c2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.