Using CC(C)(C)O, O=C(O)Cc1ccc(OCCNC(=O)OCc2ccccc2)cc1 to produce CC(C)(C)OC(=O)Cc1ccc(OCCNC(=O)OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.