Using COc1c(CC#N)cccc1Oc1ccccc1C, CCOC(=O)OCC to produce CCOC(=O)C(C#N)c1cccc(Oc2ccccc2C)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.