Using CC(C)(C)OC(=O)N1CCC(=O)C(C)(C)C1, COc1ccc(CN)cc1 to produce COc1ccc(CNC2CCN(C(=O)OC(C)(C)C)CC2(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.