Using CCOC(=O)c1ccc(-c2nn(Cc3ccccc3)c3ccccc23)cc1 to produce O=C(O)c1ccc(-c2nn(Cc3ccccc3)c3ccccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.