Using CCOc1ccc(-c2ccc3c(c2)C=C(C(=O)OC)CCN3C(=O)OC(C)(C)C)cc1OCC to produce CCOc1ccc(-c2ccc3c(c2)C=C(C(=O)OC)CCN3)cc1OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.