Using COc1ccc(-c2n(CC(=O)C(C)(C)C)cc[n+]2N=Cc2ccccc2)cc1 to produce COc1ccc(-c2n(CC(=O)C(C)(C)C)cc[n+]2N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.