Using CC(C)(C)OC(=O)NC(C(=O)OCC(=O)c1ccccc1)c1ccc(OCC(=O)c2ccccc2)cc1 to produce NC(C(=O)OCC(=O)c1ccccc1)c1ccc(OCC(=O)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.