Using COCCOCn1cccc(C2c3cc(C#N)ccc3OC(C)(C)C2O)c1=O to produce CC1(C)Oc2ccc(C#N)cc2C(c2ccc[nH]c2=O)C1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.