Using COC(=O)C(=O)CC(=O)c1cc(Cc2ccccc2)ccc1Oc1ccccn1 to produce O=C(O)C(=O)CC(=O)c1cc(Cc2ccccc2)ccc1Oc1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.