Using CC(C)(C)OC(=O)N1CCNC(=O)C1Cc1ccc(OCc2ccccc2)cc1, COC(=O)CBr to produce COC(=O)CN1CCN(C(=O)OC(C)(C)C)C(Cc2ccc(OCc3ccccc3)cc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.