Using CC(C)(C)OC(=O)COc1cccc(C(=O)C=Cc2cccnc2)c1 to produce CC(C)(C)OC(=O)COc1cccc(C(=O)CCc2cccnc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.